| Guillermo Márquez | |
|---|---|
 | |
| Name | Guillermo Márquez |
| Species | Human |
| Gender | Male |
| Occupation | {{{occupation}}} |
| Interests | TBA |
| Dislikes | {{{dislikes}}} |
| First Appearance | Big Sister Dora |
| Last Appearance | {{{last}}} |
| Friends | TBA |
| Relatives | Dora & Isabella (sisters), Mami (mother), Papi (father), Abuela (grandmother), Diego, Daisy and Alicia Márquez (cousins) |
| Enemies | Swiper |
| Voiced By | Hans Alpizar (Dora the Explorer) Miguel Cardona (Dora and Friends) |
Guillermo Márquez is Dora's adorable baby brother. He is a 1 year old baby who has a pretty twin sister named Isabella. He wears a blue shirt and a white diaper. He appeared in many episodes of Dora the Explorer starting with "Big Sister Dora". Like Isabella, he remained unnamed until the episode Dora's Jack-in-the-Box, where his name was revealed. Like Isabella, he appears in the Dora and Friends episode "Magic Land", in which he appears a little older and can speak in full sentences. They also helped Dora in Super Babies.
Trivia
- In Dora and Friends: Into the City!, a slightly older Guillermo lives with his sisters, parents and Abuéla in the city of Playa Verde.
Gallery
Guillermo & Isabella in Dora and Friends: Into the City!