Ika Musume

Ika Musume or Squid Girl in the English dub is the main protagonist of ''Shinryaku! Ika Musume''. Ika Musume came from the ocean to invade humanity and targeted the Lemon Beach house owned by the Aizwa siblings. Instead she was forced to work as a waitress to pay for the hole in the wall she created.

Ika Musume came to invade the surface in order to teach humanity a lesson for polluting the ocean. She eventually became friends with Eiko, Chizuru and Takeru Aizawa and to some other people in the beach community. She stays and sleeps with the Aizawas.

She is basically a squid girl having controllable and powerful tentacles as her hair and having more squid based abilities such as the ability to spit squid ink and glow like a firefly squid. She can also control her weight with her bracelet without changing her physical appearance and she can become too light so that she can fly. She is also a fast learner and a genius, learning Japanese and English at the same time and is adept at many different fields such as advanced math and art. She often brags about how she is better than humanity by demonstrating these skills. She is also clueless of the social norms which is expected to someone who came from the ocean. She is self-proclaimed messenger of the sea and vows to protect her home. She also have a craving for shrimps.