Ahh! It's the Giant Armored Octopus! ...Oh, he's named Tako?
This article is about a subject that has not been officially named in any official Katekyo Hitman Reborn! translated material; the current title is merely a placeholder.
The Electro Mantis is a Lightning-attribute Animal-type Box Weapon used by the White Spell of the Millefiore Famiglia.
Description[]
It has only appeared in the anime adaptation. Not much is known about it except that it fights while clad in Lightning Flames.