Jeff is a character who appeared in seasons 4-6. He is portrayed by Austin Ball.
- His family came from the Philippines. Like Min (played by Pia Hamilton, but credited in all her appearances under Pia Manalo, her maiden name), her family came from the Philippines.
- He lives with his mom, his dad, his older brother and his cat - Tiger. His mom, his dad and his older brother - Franco. His cat - Tiger also appeared in A Different Kind of Mystery.
- His best friend is Stephen.
- Barney's Musical Game Show (1997) (first appearance)
- Let's Build Together (1997)
- A Different Kind of Mystery (1997)
- Good Clean Fun! (1997)
- Oh, Brother...She's My Sister (1997)
- E-I-E-I-O (1997)
- Trading Places (1998)