Whatever Happened To Billy Whatsisname?
Whatever Happend To Billy Whatishisname
Series The Grim Adventures of Billy & Mandy
Season 4
Production code 410
Writer Maxwell Atoms
Alex Almaguer
Broadcast information
Cartoon Network US Premiere November 5, 2004
Paired with Just the Two of Pus
Chronological information
Complete and Utter Chaos!
Just the Two of Pus

Whatever Happened To Billy Whatsisname? is the 10th episode from season 4 of The Grim Adventures of Billy & Mandy.


Billy leaves Mandy after she bosses him around for the last time. Mandy finds another best friend named "Bobby", who quickly wins over Mandy, Grim and Billy's parents. Bobby reveals that he is really trying to kill Billy and steal his life, so Billy stops him by sending him into another dimension.


  • Story by: Maxwell Atoms, Alex Almaguer
  • Storyboard by: Alex Almaguer
  • Art direction: Rae McCarson
  • Directed by: Brian Sheesley

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.