Isana

Isana is the owner of the Ushimitsudoki Aquarium and an antagonist in "Omagadoki Zoo"

Personality
He's a very cruel person, feeling that animals should obey humans, and that anyone or anything that disobeys him, or fails a task, should be put down. He has no problem with killing people or animals.

Powers & Abilites
Curse: Isana has been cursed by a whale spirit for killing a whale for little reason. He is able to completely transform back into a whale, but his condition and the way how he's able to use it is unknown.

Echolocation: is also known as a Biosonar, it's a technique showed by Sakamata and Isana. It is a normal sonar used by toothed animals and dolphins, but it can also used by bats, cave swiftlets and Oilbirds. The technique is shown as a clicking sound that can freeze an opponent in place.