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Chris Mintz-Plasse, aka McLovin from "Superbad" ... is not the Chris Mintz who was shot 7 times Thursday while trying to stop the Oregon community college shooter.

Chris Mintz-Plasse, the actor, took to social media to address the case of mistaken identity.

The Oregon Chris Mintz is an army vet who remained in the hospital Friday recovering from his gunshot wounds and two broken legs.

A third year law student is taking on Facebook in court, claiming the social network made him look like a sex-crazed maniac.

Franco Caraccioli claims someone created a fake profile under the name Franco Caracciolijerkingman and packed it with pornographic images.

Franco says he caught wind when the fake account blasted him and all his buddies with friend requests.

He says he was super embarrassed and contacted Facebook, demanding they 86 it. Facebook sent him an email saying they found nothing wrong with the profile because it's in-line with Facebook community standards.

According to Franco, it was belatedly taken down, but only after he threatened legal action.

But that's not enough for Franco. He's suing Facebook for more than $1 million, and he's repping himself.

Sitting in a hot sauna after a hard workout is supposed to be relaxing ... but for Nicholas Clayton it turned out to be lot more stress.

The gym staff locked up at 5 PM -- seems pretty early -- and Nicholas obviously thought so too because he was still baking in the sauna when they closed down the gym for the night. He documented the experience on video and posted on Facebook.

Good thing for him, he didn't have to curl up on a yoga mat and wait it out til they opened the next morning ... he finally got in touch with gym management and they were able to get him out.

Will Smith says the stories he's getting a divorce are BS.

Will just posted on Facebook, "I don't usually respond to foolishness," explaining that by doing so it becomes contagious.

But he decided to join in the foolishness, and said, "In the interest of redundant, repetitious, over & over again-ness ... Jada and I are NOT GETTING A DIVORCE!!!!!!!!!!:-)"

And he added this ... "I promise you all - if I ever decide to divorce my Queen - I SWEAR I'll tell you myself!"

He ended with "#Dumb People Should Have to Wear Scarlet D's."

Jada then tweeted, "My king has spoken."

Gigi Hadid is bailing on her beautiful $2.45 mil NY apartment after an obsessed man allegedly managed to get into the place.

Marcell Porter was arrested on June 29 for making numerous attempts to get into the model’s Soho pad … and cops say one time he was successful getting past security and up into her place.

According to police documents ... Marcell posted creepy messages about Gigi on his Facebook like:

- "I LOVE U. I KNOW EVERYTHING NOW. WAIT FOR ME SOULMATE."
- "WHY CAN'T YOU CALL ME? I WILL TALK TO U IN PERSON ASAP. I LOVE YOU ONCE AGAIN"

Porter was charged with one count of 4th degree stalking -- but the damage is done for Gigi. She's already listed the apartment.

Aaron Hernandez's jail I.D. has been rejected again -- with Cragslist banning the sale of the item ... so now the seller is trying his luck on Mark Zuckerberg's turf.

As we previously reported ... the guy who currently has the I.D. says he happened to come across the item during his stint at Suffolk County Jail, where Hernandez arrived in July 2014.

He tried selling it on eBay, but the site killed the auction. Then he moved it to Craigslist, which also shut him down. So, now he's moved to Facebook ... where he's upped the asking price to $6,000.

His sales pitch -- "Act fast who knows how long this may be posted up."

Another bizarre twist in the Tiger Woods missing tooth mystery -- his GF Lindsey Vonn is backing his "camera smacked me in the mouth" story ... despite eye witnesses who claim it's all BS.

Vonn just went to Facebook to back up Tiger's story about why he was pictured without a front tooth at the World Cup skiing event in Italy this weekend -- saying:

"I feel terrible that his tooth got knocked out though. When he was in the finish area a camera man accidentally knocked into him and took out his front tooth. He was still in great spirits though and didn’t complain once or ask for any special assistance or security."

Problem is ... event officials have gone on the record and said no such accident ever occurred and if it had, there would have been witnesses or video of the incident.

One official told TMZ Sports that Tiger never even showed signs of pain ... signs that you'd expect someone to have after losing a tooth.

But Lindsey came up with an explanation when talking to USA Today -- saying, "This pain is really nothing when he has had as many injuries as he's had. It's not a big deal. He was in good spirits."

The days of using NFL players to promote your products for free on social media are over – so says the NFL which is now warning businesses, if they post pictures of 6 or more players using their products on social media … they better pay up!

TMZ Sports has obtained a letter sent by the league to Orefici Watches ... demanding the company immediately stop posting pictures of NFL stars wearing their jewelry on its various websites and social media pages.

But the explanation is the interesting part -- in the letter, the NFL says the league "has the exclusive right to license the names, likenesses, images" and more of nearly all NFL players for commercial products and promotions involving six or more players.

The NFL demanded Orefici remove the images ASAP or else it would take further legal action against the company. We're told Orefici complied.

Sarah Palin is biting back at critics who blasted her for the Facebook pic of her son standing on the family dog ... and taking a shot at the dog-eating Prez in the process.

Palin took to Facebook Saturday, targeting PETA for bashing her ... calling the org hypocrites that only give passes to celebs who have helped them.

She muses, "Did you go as crazy when your heroic Man-of-Your-Lifetime, Barack Obama, revealed he actually enjoyed eating dead dog meat?" True story, Google it.

Palin accused the org. of celeb worshiping ... then adding they treat doggie Jill better than many people treat human beings.

A rep for PETA tells us, "Palin's Facebook response shows us that she knows PETA about as well as she knows geography."

Looks like the "Guardians of Peace" scored another victory ... Sony quietly gave in to another hacker demand by wiping almost all traces of "The Interview" from its social media pages.

Hackers threatened top level Sony execs Friday saying, "We want everything related to the movie, including its trailers, as well as its full version down from any website hosting them immediately."

The movie studio almost immediately obliged ... the movie's Twitter page no longer has any tweets, the Facebook page has been deleted and all "Interview" footage has been wiped from its YouTube page.

Sad.

1:50 PM PST -- The hackers also released a message Saturday afternoon mocking the FBI ... saying, "The result of investigation by FBI is so excellent that you might have seen what we were doing with your own eyes. We congratulate you success. FBI is the BEST in the world."

Mama June is back on the attack against Sugar Bear, claiming he's still on the prowl for women ... lots of them.

June vented on her personal Facebook page ... complaining she's taking all the heat for dating Mark McDaniel while SB is playing the victim when actually he's "a cheater and a big player."

She says Sugar Bear is trying to snare girls through Snapchat. She also admits she's rifled through his phone and found concrete proof he's on the hunt.

TMZ broke the story ... Mama June claimed she broke up with SB after she found he was trolling online dating sites. But then we found out she was dating the man who served time for molesting her daughter, and everything changed.

And get this ... Mama J thinks Sugar Bear is a lady killer, warning, "he has already scammed many girls on here to fell in love with them," adding, "so baby if u think u r his one in only u r wrong big time."

Don't hate the playa.

Rihanna's patriotic gesture to U.S. troops has backfired over the picture she used to make her point ... and now the company that owns the pic has a novel way she can make good.

Coronet Diamonds created the image and posted it on its website November 11 -- Veteran's Day. Apparently the famous Barbadian liked it so much ... she posted it on her Instagram, and Twitter, but she kind of deceived her followers by Photoshopping herself into the image and then removing the jewelry company's hashtag.

So we found out Coronet has sent Rihanna a cease and desist letter. They'll settle for an apology on Rihanna's social media platforms ... an apology that makes it clear Coronet created the image.

Now let's talk about what Coronet really wants. It wants some free advertising ... which they will get in a big way with Rihanna's 142 MILLION followers.

A crazy anti-Semitic man -- who believes Paris Hilton is Jewish -- has threatened to kill her, and we've learned the LAPD is after him.

Cops just got a search warrant allowing them to track down the Instagram and Facebook account of someone who is making overt threats against Paris and her dad, Rick Hilton.

In one post, the man writes to Rick, "one month and she's dead, she's never coming home."

The man says in another post, "Invite [Paris] to the match so we can gang raper her ass hahahahahaha." And then he threatens, "I'll beat u and that bitch to unconscious."

The guy clearly thinks the Hiltons are Jewish -- which they are not. He wrote, "KILL JEWS FOR FUN," and "I know ur Jew family gives nothing" ... an obtuse accusation that the Hiltons are cheap.

Mama June's boyfriend has been booted from Facebook ... because he's a child molester.

Mark McDaniel was active on Facebook until Tuesday ... when his profile was yanked from the site. Turns out Facebook has a policy of rejecting sex offenders, but apparently they didn't know until recently ... presumably after we posted the story that McDaniel did time for molesting Mama June's child.

McDaniel's profile pic showed him cradling his granddaughter. There were various "welcome home" posts ... presumably from friends who found out he had been released from prison.

It's interesting ... June was absent from McDaniel's profile page, and we're guessing it's because they both knew it was wrong for her to hook up with him after he abused Anna.

Go ahead. Keep rubbing your eyes ... that is actually "Clerks" director Kevin Smith after shaving off his trademark beard.

Smith unveiled the bald faced pic Monday ... writing on Facebook, "Look at this goofy spaz. This is me, beardless, for the #YogaHosers green screen shoot. It's a Face-Brazilian!"

That's a ton of wax.

Tyrese went nuclear on the comedian who dared to drop some ridiculous casting couch accusations -- and safe to say, the comedian will NOT be laughing at this videotaped response ... but you will ... 'cause it's awesome.

The comedian, Spanky Hayes, claims he was beaten out for the lead in "Baby Boy" because Tyrese performed sexual favors for director John Singleton. Tyrese recorded a rebuttal to Spanky, and the hysterical theme of it is ... "You know you done f**ked up, right?"

Just for good measure -- Tyrese shot the whole comeback while walking around his mansion in a fur robe and smoking a cigar. Spanky, you've been served.