Ikkaku

Ikkaku (一角) is a narwhal and No. 5 of the Ushimitsudoki Aquarium.

Appearance
When transformed, he appears with a human stature. He wears orange gloves and the same uniform Devilfish and Dholak wears. His tusk snapped off, becoming his weapon.

Weapons
He wields his own tusk as a sword. He uses it to "declare his pride".

Trivia

 * His name comes from ikkaku (一角, いっかく), the Japanese word for narwhal. Ironically, his name is the same as his species.