The Riddler is a ruthless, egomaniacal serial killer who greatly abhorred the establishment within Gotham, specifically the corrupt elite. Despite his vain demeanor, he is extremely intelligent, with an affinity for riddles and puzzles, leaves riddles near his murders. Sadistic but well intentioned, often deluded. Tends to grunt in strange ways, his pitch and volume constantly in flux. Goes from yelling to giggling to whispering at the drop of a hat. A true super genius. Thinks he's in the right