What cartoon character is demonic?

One cartoon character often associated with a demonic theme is Pazuzu from the animated series "The Exorcist." While Pazuzu is primarily known from Horror films, his appearance in various cartoon adaptations has cemented his status as a demonic figure. Another example is Beelzebub from the "Adventure Time" series, who embodies dark and mischievous traits. These characters typically portray themes of chaos and malevolence, fitting the demonic archetype in a cartoon context.