He is actually a nice guy who makes his commercials louder/better by being angry and screaming. However, when SpongeBob accidentally destroyed all the shells in his store due to being clumsy, Angry Jack became angry for real and screamed.
Angry Jack is green and has a white shirt and a pink tie. He also has a brown belt and a pair of brown pants, and a yellow fin.
 Angry Jack Hates
- Customers who break his inventory
- Numbers in his face