Answer
The main recurring theme in Krazy Kat is a love triangle between Krazy, Ignatz, and Offisa Pupp. Krazy is a cat who loves Ignatz, but Ignatz loves throwing bricks at Krazy's head. Offisa Pupp is a dog who loves Krazy, but he is always trying to catch Ignatz for throwing bricks at Krazy. The love triangle is a source of conflict and humor in the comic strip.