The Amazing World of Gumball — Boom! Studios
Issue: #7
Gumball has been using the phrase, "I’ll owe you one!" to get free favors for a while now. When he finds out that it’s not just a saying and he actually owes everyone a favor, he’s going to have to pay up quick before catastrophe strikes!
First appearances: Bomb Guy
Creators: Tyson Hesse, Paulina Ganucheau, Frank Gibson, Mary Gumport, Philip Murphy, Jillian Crab, Missy Pena, Kevin Panetta, Evan Palmer, Shannon Watters, Jemma Salume, Derek Sullivan
Characters: Richard Watterson, Nicole Watterson, Miss Simian, Bomb Guy, Tina Rex, Larry Needlemeyer, Darwin Watterson, Penny Fitzgerald, Gaylord Robinson, Banana Joe, Mr. Small, Masami, Carrie Krueger, Gumball Watterson