The Former Felix Walken

Felix Walken (フェリックス・ウォーケン Ferikkusu Wōken) (former name) is a retired assassin who left the game to care his newly born daughter. During the events of the Drugs & Dominos arc Claire Stanfield "Purchased" his name to use himself. Felix seemed to have been one of the most powerful characters in Baccano despite not initially appearing; according to the president of the Daily Days Felix was one of the only people who ever had a chance at killing Claire Stanfield. Claire himself vouces for his prowess as being stronger than Christopher Shouldered, a "Vampire Homunculus" and finally Felix was hailed as the best assassin in the world before Vino took that possission, and even now he is considered a legend

Drug & Dominos
Felix Walken sold his name to a few people (at least five) for their own usgae, one of those people than sold the same to Claire Stanfield after a fight, allowing Clare to now use his name for his own benefit.

Alice in Jail and Peter Pan in Chains Arc
Though he is not longer an assassin, he was somehow roped back into the game via blackmail by senator Manfred Bariam.

Name Circulation
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