This page is about a idea for Smash Wii U and 3DS and may not be in the game.
Ika Musume is a girl who comes from the ocean with plans to invade humanity as punishment for the pollution done to the sea. However, after causing damage to a beach house which she planned to use as a base, she is forced to work as a waitress to pay for the damages and also sleeps at the Aizawa residence. Like a squid, she has ten fully controllable blue tentacles that protrude from the top of her head like hair and can spew squid ink from her mouth. She also possesses numerous abilities from various breeds of squid, such as glowing, moving the little flaps on her hat or changing her weight at will in order to better control her tentacles to do stuff like deliver a powerful smack, wrap them around a foe and throw them into the air, carry many plates, and draw well. According to her, she will die if she takes her hat off, which is made apparent when trying to force it off causes her life to flash before her eyes.