Identify and describe Curley?

Curley is the boss' son. He is a small man with a big temper..... and he is extremely jealous of his wife.

"That's the boss's son," he said quietly. "Curley's pretty handy. He done quite a bit in the ring. He's a lightweight, and he's handy."

"Well... tell you what. Curley's like alot of little guys. He hates big guys. He's alla time picking scraps with big guys. Kind of like he's mad at 'em because he ain't a big guy. You seen little guys like that, ain't you? Always scrappy?"