Finn is a clownfish (specifically a ocellaris clownfish) and Sting's buddy (who he lives in alongside another unnamed clownfish). He and his buddy only appeared in "Buddies".

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.