Betsy and her brother Steve live in the city with their aunt, Aunt Margaret. She's the owner of Charkie as well. She has a kind, intelligent personality, & the keen ability to solve problems with the help of George. Her brother Steve thinks he's smarter than her; however, Betsy always outsmarts Steve, often along with George.
Betsy has long dark brown hair that goes down to her shoulders with a bright yellow diadem on top. She also wears a teal t-shirt with a cyan collar, cyan pants, & bright teal flats. She usually wears a gold watch around her left hand.
- Betsy makes her 1st cameo appearance in Curious George 2: Follow that Monkey
- Betsy made a Christmas song about George when she was part of the Christmas Eve musical, along with George, her brother Steve, The Man, Professor Wiseman, and the members of Rescue Squad 86 (A Very Monkey Christmas).
- Betsy is 12, 13 or 14 years old and hence 3 years younger than Steve, although she usually acts older than her age.
- Her 1st appearance with Steve was "Out of Order".
- Her 1st appearance by herself was "Monkey Fever".
- Her latest appearance with Steve was "Happy Valentine's Day, George".
- Her latest appearance by herself was "This Little Piggy".
- She is also considered a villain as she played The Dark Betsy in Fearless George.
- Season 1
- Season 2
- Season 3
- 305b. The Color of Monkey
- 309a. Fun-Ball Tally
- 310b. Chasing Rainbows
- Season 4
- 406b. Charkie Goes to School
- 409a. Cooking With Monkey
- Season 5
- Season 6
- Season 7
- Season 8
- Season 9
- Curious George 2: Follow That Monkey (1st cameo appearance)