Viper (Katekyo Hitman Reborn!)

Viper is an Arcobaleno, the holder of the Indigo Arcobaleno Pacifier. Also known as Esper Mammon, they work for the Varia, the independent assassination squad of the Vongola Famiglia. As the Varia's best spell-caster, Viper can construct powerful illusions as well as being able to locate any person by sneezing into a piece of paper. Their animal partner is Fantasma, resting on top of their head.