The Uderfist is a group of heroes that appear in Grim Tales and Powerpuff Girls Doujinshi.
Powerpuff Girls Doujinshi[]
Skarr is the principal of the Megaville Elementary.
The Grim Tales From Down Below[]
Jeff the Spider is the father figure of Mimi, but got killed by Him after his betrayal.
Hoss and Irwin appeared later in the worst memory of Mimi fighting a giant golem to save Mimi and Jeff.
Fred made a few random cameo appearances in the comic.
Members[]
Origin[]
Underfist is a spin-off special of The Grim Adventures of Billy & Mandy. It aired on October 12, 2008. It tied as the number 1 program for the week among all broadcast and basic cable networks with boys 6-11, and earned between 19% and 76% growth across all kid demos. The special was going to be the plot for a new series spin-off of Billy and Mandy, but the contract of Maxwell Attoms in Cartoon Network expired and the special was the finale of Grim Adventures.
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