Because you like Patty Tolan in Ghostbusters (2016)

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Chandler Bings keeps his friends on their toes with his cutting wit, all the while trying to discover his own place in life. Could he BE any funnier? See them in Friends.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.