Adam Sandler -- Good Genes Or Good Docs?

Adam Sandler ... what a fine lookin’ Jew!

Here’s a 31-year-old version of the 'SNL' funny man at a movie premiere back in 1997 (left) and 18 years later ... the godfather of Hanukkah -- now 49 years old -- at a movie premiere in Los Angeles late last month (right).

So much funukkah!

The question is...