However, if the service deals with communications, it is possible to use a service mark consisting of a sound (a sound trademark) in the process of delivering the service.
Rocco is a 2013-introduced and cartoon-only character. He is a gargoyle and a student at Granite City High. He is the leader of the school's SKRM team, and a vicious one at that. Rocco has no problem cheating if it turns the situation in his favor, which earns him the respect of Toralei Stripe, his girlfriend.
Harleen Quinzel was a brilliant and successful criminal psychiatrist. After encountering the criminal mastermind, The Joker, at Arkham Asylum, Harleen develops a fascination with the madman's maniacal psyche. She begins to treat him, only to find herself completely under The Joker's control. Unable to break his hold on her, Harley enters a world of crime as The Joker's criminal accomplice and lover, Harley Quinn. Harley quickly becomes one of the Dark Knight's deadliest enemies, as she carries out The Joker's every evil whim.