Marcella Walker is a character who only appeared in the film Barney's Great Adventure.
About
Marcella is Abby's best friend, and comes along with her on the Newton's family trip to their farm.
Trivia
- Since she only appeared in Barney's Great Adventure, She never made an appearance with Riff, Jeff, Danny, Maria, Hannah, Stephen, Chip, Robert, Curtis, Kim, Keesha or Kristen.