Isabella Márquez
Name Isabella Márquez
Species Human
Gender Female
Occupation {{{occupation}}}
Dislikes {{{dislikes}}}
First Appearance Big Sister Dora
Last Appearance Trick or Treat
Friends Boots
Relatives Dora Márquez (older sister)
Enemies Swiper
Voiced By Olivia Coronel (Dora the Explorer)
Breanna Lakatos (Dora and Friends)

Isabella Márquez is Dora's baby sister. She is a 1 year old baby and is the twin sister of Guillermo. She appeared in several episodes of Dora the Explorer which that some episodes that she doesn't appear. She is seen sucking on her pacifier and sleeps with him everyday but in a separate bed. She wears a pink shirt, a white diaper, and a pink bow on her brown hair. She appeared in Dora the Explorer games on and appears to also have super powers in the episode, "Super Babies". Like Guillermo, she remained unnamed until the episode "Dora's Jack-in-the-Box", where her name was revealed. She also appeared in the Dora And Friends episode "Magic Land" in which she was a little older and could actually speak in full sentences. She is voiced by Breanna Lakatos.



Major characters
Main Márquez family
Dora | Diego | Alicia | Mami | Papi | Abuela | Guillermo | Isabella
Swiper | Grumpy Old Troll | Bobo Brothers | Alejandro
Object helpers
Backpack | Map | Rescue Pack | Click
Forest friends
Boots | Tico | Benny | Isa | Big Red Chicken | Señor Tucán | Fiesta Trio | Baby Jaguar
City friends
Pablo | Alana | Emma | Kate | Naiya | Sammy | Randy
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