This article may need more or better quality images.
If you have a better quality image for this article, please upload it here!

The Evil Sumo is a villain from The Islands. He and his Swinging Ninjas have taken over Grandmaster Sensei's castle in Sensei's Lost Castle. He is one of the two main boss fights of the Islands, the other being The Terrible Oni.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.