Carlos has a younger brother named Juan who he refers to in "If the Shoe Fits..." and "Any Way You Slice It". He also has a cat named Fluffy and a bowl of goldfish (named Super, Dee, and Duper; a play on Barney's famous phrase) who he mentions in "Our Furry, Feathered, Fishy Friends".
Carlos lives with his mother, his father, and a grandmother, as mentioned in the episode "Room for Everyone", where he paints a picture of them. Like Tina andLuci, Carlos and Juan are of Mexican Descent.
- Barney Live! In New York City (first appearance)
- If the Shoe Fits...
- Room for Everyone
- Shopping for a Surprise!
- Any Way You Slice It
- A Welcome Home
- Our Furry Feathered Fishy Friends
- It's Raining, It's Pouring...
- Are We There Yet?
- Ship, Ahoy!
- Up We Go!
- Once Upon a Time
- Barney's Sense-Sational Day (final appearance)
Carlos has an innie bellybutton.
He wears tighty-whities.
He receives a wedgie from Barney & Juan.