From the Super Mario Wiki
Retrieved from "http://www.mariowiki.com/index.php?title=Leuko&oldid=1999369"
A Leuko is a large jellyfish-like enemy found in the Sea and the Sunken Ship in Super Mario RPG: Legend of the Seven Stars. It is an enemy with fairly high HP, and is immune to Thunder-Based attacks and knows 3 attacks - Bolt, Static E!, and Solidify.
Names in other languages