Dirk: aggressive, strong, calls everyone nerds or losers, thinks quints inventions are cool, male, was the school bully. Quint: Jack's best friend, genius, inventor, male, terrified of Dirk. June: strong, independent, female. Jack: childish, orphan, kind, has no self control. Rover: a large monster dog, friendly, uses his tail to knock over Zombies, slobbers alot, rideable, has blue and white fur.