Boots the Monkey is Dora's best buddy on the show, whom she met one day in the woods.

Dora the Explorer is an American animated television series that is carried on the Nickelodeon cable television network. A pilot episode for the series aired in 1999, and Dora the Explorer became a regular series in 2000. The show was created by Chris Gifford, Valerie Walsh, and Eric Weiner. The series also airs on Noggin. The show aired on CBS until September of 2006. 

Color Dora the Explorer and her friends here .