Satanick is a varied character, normally appearing to be very eccentric while also displaying sadomasochistic tendencies [11] around certain individuals. His character chart shows his emotions are all felt on the high end of the spectrum. He is described as a "versatile manwhore," giving the "evil eye." [11] He also has countless lovers and is described as a "playboy" [4] and a "switch" for certain people. [7] He has his fair share of pushiness and pompousness and often acts in a mischievous and perverted manner. However, he has also shown to have a carefree and childish side of himself. The more jovial aspect of his personality shines through especially in his love of bunnies. Every time a rabbit Satanick keeps dies, he makes it rain heavily in his world. Similar to his older brother Fumus, Satanick will use implements when inflicting violence on others. Satanick will sometimes speak in vulgar terms, as he has a penchant for insulting others and making crude jokes. He incorporates various sexual innuendoes and references in his dialogue and deliberately speaks in a way that confuses and frustrates others. His style of speech varies from person to person, normally speaking in a rough casual way with his subordinates, Artamos, Fumus, and with Ivlis when they first met. He is the ruling devil of Ne-no-Kuni and counterpart to his brother Fumus who rules the world above. He sports a charming sable color-schemed ensemble consisting of a black double-breasted dress suit that has been featured with black or red buttons with matching just as black dress pants. He also wears a white dress shirt under his jacket while sporting a crimson Victorian-styled bow tie along with it. His cape is black with a red interior and wing-like appendages jutting out at the top. He wears white gloves and black Oxfords with red soles as well.

