Young Mister Lincoln (1939) Abe Lincoln: [cross-examining Cass] J. Palmer Cass. John Palmer Cass: Yes, sir. Abe Lincoln: What's the "J" stand for? John Palmer Cass: John. Abe Lincoln: Anyone ever call you Jack? John Palmer Cass: Yeah, but... Abe Lincoln: Why "J. Palmer Cass?" Why not "John P. Cass?" John Palmer Cass: Well, I... Abe Lincoln: Does "J. Palmer Cass" have something to hide? John Palmer Cass: No. Abe Lincoln: Then what do you part your name in the middle for? John Palmer Cass: I got a right to call myself anything I want as long as it's my own name! Abe Lincoln: Well then if it's all the same to you, I'll call you Jack-ass.