Guillermo Márquez is Dora's younger twin brother. He is a 1-year-old baby who has a twin sister named Isabella. He appeared in many episodes of Dora the Explorer, starting with "Big Sister Dora". Like Isabella, he was remained unnamed until the episode "Dora's Jack-in-the-Box", where his name was revealed. He also helped Dora in "Super Babies".
He appeared in a few episodes of the spin-off Dora and Friends: Into the City!, in which he appears a little older and can speak in full sentences.
Description[]
He wears a blue shirt and a white diaper. In Happy Birthday, Super Babies, he wears a different shirt and blue pants.
Appearances[]
Dora the Explorer[]
Season 4[]
- Big Sister Dora (unnamed)
- Super Babies (unnamed)
- Catch the Babies (unnamed)
Season 5[]
- Dora's Jack-in-the-Box
- Bark, Bark to Play Park
- The Super Babies Dream Adventure
- Dora's Big Birthday Adventure
Season 6[]
Season 7[]
- A Ribbon For Pinto
- Dora's Easter Adventure
- Feliz Dia De Los Padres
- Dora & Diego's Amazing Animal Circus Adventure
- Baby Bongo's Big Music Show
- Dora's Thanksgiving Day Parade
Season 8[]
Go, Diego, Go![]
- To Babysit a Bobo (picture only)
Dora's Explorer Girls[]
Dora and Friends: Into the City![]
Season 1[]
Season 2[]
Dora[]
Season 1[]
- Rainbow's Lost Colors
- Let's Get A Paleta
- Bubble Trouble (cameo)
- Tiny Dancer
- The Sleepy Sun
- Piñata Party
- A Guayabera For Tico
- Papi's Picnic Party
Season 2[]
Trivia[]
- In Dora and Friends: Into the City!, a slightly older Guillermo lives with his sisters, parents, and Abuela in the city of Playa Verde.
- He and Isabella never appear individually (one appears and the other doesn't).
- He and Isabella never physically appear in Go, Diego, Go! (only on a piece of paper in To Babysit a Bobo).
Gallery[]
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Guillermo's first appearance (unnamed)
Guillermo with Isabella as babies.
Guillermo and Isabella as superheroes (better known as the Super Babies).
Dora, her family, and Boots celebrating his (and Isabella's) birthday.
Guillermo as a kid.
Guillermo with Isabella as children in Dora and Friends: Into the City!
The twins in their cribs.
Dora with Guillermo
He and Isabella putting in the hands in the air. They love to image themselves as superheroes!
The twins as kids.
The twins as kids (transparent)
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Pablo with Guillermo and Isabella
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