Originating from Hideyasu Takahashi’s manga "Kaitō Joker," the character Joker appears in the anniversary ONA special "40-Shūnen da yo! Coro Coro All-Star Shōgakkō" celebrating Coro Coro Comics' 40th anniversary. He attends an elementary school setting alongside protagonists from various Coro Coro Comics series, engaging in cross-franchise interactions within this ensemble crossover. His inclusion underscores his established recognizability in the magazine's character lineup.