Uni

Uni is a sea-urchin and a member of the Legion of Low Tide and a big threat to the Sushi Pack he has the abillity to morph into different things.He is good at scheming evil plots. In the movie, He is a villian so Kani wants to stop fighting who turned good, and so, Uni is the former member of the Legion of Low Tide and the current member of Sushi Pack with his brother Tako so he defeated Titanium Chef, and finally, at Ben's donut shop, Uni had a family dinner with his friends.