


Played with in that, after accidentally wiping his memories, he also believes he is Sateriasis for a time. Dead Person Impersonation: He's impersonating his little brother Sateriasis, whom he killed with the rest of his family.Deal with the Devil: He makes a contract with the Demon of Lust, to be precise.Curtains Match the Windows: Purple hair to match his eyes.Childhood Friend Romance: Duke Venomania loved Gumina, and shes the reason why he made the deal.

Venomania's tainted bloodline goes strong for hundreds of years after his escapades, with one or more of his descendants in nearly every story arc. Child by Rape: He has three, to be exact.Catchphrase: "Now, shall we dance?", a phrase he says to all of the women he adds to his harem.And the feeling was mutual previously the real Sateriasis was planning to assassinate him. Cain and Abel: He loved his younger brother, but after having his heart broken all went to hell and he killed him in a rage.His demonic transformations also count as this. Body Horror: He was born with an extra face on his right cheek.Blue Blood: From a prestigious line of powerful Beelzenian Dukes.Bishōnen: Invoked per his Deal with the Devil.Big Bad Duumvirate: With I.R., both the big-bads of the Lust arc.This was also the name of Riliane's riding horse in "The Daughter of Evil." Though, it's likely only a Mythology Gag. Bestiality Is Depraved: One of Venomania's victims is named Josephine, with her age and occupation censored.Believing Their Own Lies: Over the course of the novel he ends up becoming genuinely convinced that he is some noble force granting women happiness using his "Lust" spell, even as he becomes more and more depraved and careless with them.Aristocrats Are Evil: One of the prestigious Five Dukes of the Beelzenian Empire.Arc Villain: Of The Lunacy of Duke Venomania arc.After a few of his memories come back, however, there's only a brief moment of shock before he sets about brainwashing his first "wife." Amnesiac Dissonance: After making his contract he accidentally loses his own memories not remembering the bitter reasons he made the contract, Venomania actually spends several days resisting his lustful impulses and genuinely cares for Lukana.All of the Other Reindeer: Treated terribly by everyone around him because he was born with a "face" on his cheek.

Alien Blood: After his contract, his blood turns purple.Alas, Poor Villain: Sateriasis, despite being a monster at the end, has a very tragic downfall in that he's completely alone when he dies, and his last attempt to fix things with Gumina is utterly hopeless as he can't even work up the breath to speak with her.A God Am I: Declares himself as some sort of love god when explaining himself to Maylis before brainwashing her.Even when he's let out, he's denied his birthright and forced to work as a servant. Abusive Parents: His father locked him in the basement for most of his life because of his deformity.
