Character: molly macdonald

Molly is a female rabbit from the 1996 Arthur tv series based on the book. She is the older sister of James Macdonald and is a 4th grader who run with a group of bullies called "Tough Customers, which is lead by Binky Barns.
Her first appearance in the tv series dates back to as early as 1996 in episode "D.W. All Wet" which is the 3rd episode of the series. Early appearances had Molly often mistook for a teenage. Not only was she taller than most of the main cast of kids, but she could be spotted at times with clearly viable breasts under her swim suit. The character however is actually 9.
Molly spent many seasons as a loose antagonist and the most loyal member of the Tough Customers, but has let her defenses down a handful of times and has gotten along with the kids she bullied. Her back story is finally unveiled during "The Last Tough Customer" which was apart of season sixteen. She became a bully after being bullied herself when she was younger. She gives up bulling, after witnessing the bad example she was giving her brother James.

This tag implicates arthur_(series) (learn more).