During an appearance on Lopez Tonight Thursday, Seinfeld co-creator and Curb Your Enthusiasm star Larry David agreed to take a DNA test to determine his ethnicity. "I mean, I know I'm a Jew, but where did I come from?" he joked. "Maybe I'm not. Maybe I got some Indian or Mexican in me, who the hell knows?" Wait until you see the results in the hilarious video below:

Curb Your Enthusiasm fans, get ready! Larry David's Golden Globe-winning HBO comedy is coming to TV Guide Network starting in February 2010.