Mickey's Rival (1936)
Mortimer: Say, you want that button?
[Mortimer pulls it off of Mickey's shorts and hands it to him]
Mortimer: Okay! Here it is! Do you want the other one?
[Pulls the other button off and throws it away]
Mortimer: Okay! Never a dull moment.
Mortimer: [seeing Minnie] Well! If it ain't my old sweetie, Minnie Mouse!
Mickey Mouse: So you still think that guy's funny?
Minnie Mouse: Who, Mortimer? No!
Mickey Mouse: [holding out his hand] Shake!
[they shake hands]