Jack

Jack is Oggy's cousin and the complete opposite of Oggy. He owns a monster truck and his telephone number is 2. He is never angry with Oggy when he messes up.

Character data
Hair Color: Olive Green

Fur Color: Olive Green

Eye Color: Black (sometimes yellow)

Nose Color: Red

Tummy Color: Peach

Appearance
He is an olive green cat with a red nose and pointed ears and a big head.

Personality
Jack is the other cat in the show. He is Oggy's cousin and a complete opposite of Oggy. In episode "The Patient" he was nice to Oggy (When he shares his soda to Oggy). Jack is a violent, short-tempered, arrogant cat. He is often building something to try and destroy the cockroahes, though this often backfires. He sometimes bullies Oggy. He is perhaps the easiest target in the show.

Joey, Marky, and Dee Dee
He is very determined to destroy the cockroaches. He is an easy target for roaches because of his personality. He seems to have very little sympathy or even patience. He doesn't seem to like Oggy and the cockroahes getting along, sometimes he even goes crazy like the episode 'The Dictator'.

Oggy
Jack and Oggy are cousins, and they often work together to catch Joey, Marky, and Dee Dee. Jack even tries to save Oggy in many episodes.

Olivia
He met Olivia for the time in mentioned episodes.

Bob
Bob is a enemy for Jack and Oggy. Whenever they mess with him, Bob will usually finish them with punching them until Bob gets satisfied.

Monica
Jack met Monica when Oggy's twin sister came home.It can be found in this episode "Go for it Jack!", after a few of this episode reference, Jack has been married to Monica, they had a baby which Oggy need to take care of him.