this was the character that you get to be when you're with family members and friends, and you can be your goofy self and dance around. jaleel: steve urkel made the statement that we can be whatever we want. i played bruce lee. i played elvis, albert einstein. anita sarkeesian: the evolution of the nerd in sitcoms is an interesting one to watch. we went from urkel and screech that are like the joke character on their respective shows to something like big bang theory, where you have a group of nerds who are the stars of the show. ♪ math, science, history, unraveling the mystery ♪ ♪ that all started with the big bang. hey! ♪ chuck lorre: just inconceivably brilliant guys who can figure pi to 80 decimals but were very childlike. sheldon: smell that? that's the smell of new comic books. oh yes.