Gwendolyn

Gwendolyn, A.K.A. One Eared Winnie, is Nature Cat's long-lost sister who first debuted in "The Return of Bad Dog Bart". Like her show counterpart, she loves her brother and is also well-known for giving Ronald concussions as punishment for disobeying her or spending a huge amount of money on certain products.

Personality: Very friendly, always on her brother's side

Likes: Going sailing, treasure hunts, Grandpa Cat's toys, spending time with her brother

Dislikes: Ronald's antics, fire ants, bank account being hacked, her pirate ship getting sold, Ronald stealing her credit card and spending $1,000,000 on it,

Relatives: Nature Cat (brother), Catalina (sister-in-law), Catlin (niece), Phil (cousin), Louise (aunt), Cheese (uncle), Grandpa Cat (grandfather)