You jot down ideas, memories, whatever, concerning your real life that somehow parallels the character you're playing, and you incorporate that in your scene work.

Cooper (born 1976) author and trader
Chris Cooper (American football) (born 1977) American football player
Chris Cooper (broadcaster) British football commentator
Christian Cooper American comic book writer
Coop (artist) (born 1968) real name Chris Cooper
Chris Cooper (baseball) Baseball pitcher.