From Grundy Wiki

They're great! They're cool! They're powerful! They're Ultimate Grundies! Make as many as you want! You can even fuse them with other enemies! If you promise not to sue me, you can shove one up your nose! Put your list of UGs like this;

[[Ultimate Grundies/YOUR USERNAME|YOUR USERNAME's Grundies]]

[edit] Ultimate Grundies

Im a bell's Grundies Homsunami187's Grundies