As of September 2008, the Yullie can come in 8 different colours.
- As of September 2008, Yullies are featured in 2 different items.
- The Red Yullie was chosen for Week 41 of the Petpet Protection League.
- In the game Neopets Puzzle Adventure, a Yullie Petpet can be used to destroy two selected spaces, so that no tokens can be placed on them for the remainder of the battle.
- On an old Neopian poll, TNT asked what you would like to see on the site. One response was Yullieland.
- A How to Draw article for the Yullie was added on August 14, 2008.