Note: the dictionary is NOT in alphabetical order.
Oggy- the main protagonist of the show. Oggy is also a fat cat.
Dee Dee- the younger brother of Joey and Marky. Always looking for food in the fridge.
Joey- the elder brother of Dee Dee and Marky. The leader of the cockroaches. Also known as Joey III.
Marky- the elder brother of Dee Dee and younger brother of Joey.
Jack- Oggy’s cousin. Jack is also arrogant.
Monica- Oggy’s sister and Jack’s love interest.
Bob- serves as the main antagonist of the show and Oggy’s huge neighbor dog.
Keep Cool- Titanic’s only appearance in the show.
The hunter- appeared in “Wash Day” and “A Bird of Ill Omen”.
The redneck father- also known as Joey II. He is the father of the cockroaches and only appeared in “Roachy Redneck”.
The redneck- (who bought Oggy’s house) is a thin guy when he sees the “for rent” sign at Oggy’s garden planted by the cockroaches. He appeared in “House for Rent”. The first buyer of Oggy’s house.
The wrestler- also appeared in “House for Rent”. The second buyer of Oggy’s house.
The hysterical boy- appeared in “A Tip for the Road” is a guy with orange hair,thin, almost horizontal (horizontal when Oggy at the scene see the cockroaches that they did follow him and throws the little soccer ball). He made a cameo appearance with his sons or nephews in a car in the episode “Blue Sunday”.
The cartoon soldier- only appeared in “Cartoon Lesson”.
The witch- appeared in “Inside Out”.
The Bedouin- a thirsty man who appeared in “Three wishes and Your Out”.
Oggy’s grandma- appeared in three episodes, one in Season 1 and two in season 3.
See more at Wikipedia