Stu Jr. is an exclusive puffle owned by Stu. He is a Green Puffle that wears the Big Brow just like his owner.
- He is the only Puffle exclusive to a Staff member.
- He doesn't show up on Stu's Player Card.
- His animations were made by Hagrid.
- The unique uni-brow on Stu Jr. was a concept first created in a comic by Melchior that was featured in the Club Penguin Times.
- He was supposed to get a new throwing animation, but it was scrapped. According to Hagrid, Stu Jr. would throw their hammer at someone when Stu banned them.
- He, along with Stu, made an appearance at the Concert Hall as one of the performers during Music Jam 2019.
Walking front-diagonal animation.
Walking back-diagonal animation.
Unused throwing animation.