Grim is one the main characters of The Grim Adventures of Billy & Mandy. He is the imfamous Grim Reaper who lost a bet to Billy and Mandy. Now he is forced to be their friend/slave forever.


  • Grim, Billy and Mandy will join Sonic's team in Sonic Storm Adventures of Billy & Mandy's Big Boogey Adventure.

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.