Eggman, Decoe, Bocoe, Bokkun and Rouge resided on it during their voyage and later Shadow. It was once disguised as the Blue Typhoon to save the Blue Typhoon's crew when the Metarex wanted to destroy it. In "So Long Sonic", Eggman said he would scrap the Crimson Egg soon and Rouge had to make new living arrangements.
- Despite being named the Crimson Egg, the ship was colored purple. However, the ship was originally powered by the red Chaos Emerald.
- Some variations show crimson as more of a purple color, however.