|Debut||The Tortoise and the Heir|
|Voiced by||Sam Vincent|
Speedy Shellberg is a 150-year-old tortoise who only appeared in The Tortoise and the Heir.
At the end of the episode, he reveals he had Betty's journal stored in his shell. Thinking Blythe was Betty, he gives her Betty's journal.
- During his first lines in the episode, Speedy mentions that his current owner Mr. Jones is either his 22nd or 23rd owner, meaning that during his 150 years of life, he has had many owners and Lauren was one of them. He also claimed to be Theodore Roosevelt's pet.
- He, Sunshine Sweetness, and Wagger Hobbs are the only characters in the series to have known ages.