Twin Sister

Twin Sister is the character of The Early Adventures of Marilyn, Jason, and Mason. She is Twin Sister 2's twin sister.

Physical Appearance
Twin Sister has blonde hair with two pigtails and two pink bows and blue eyes. She wears blue dress with a pink collar and pink mary jane shoes.

Personality
Twin Sister is a playful, sisterly, lucky, and nice 7-year-old who she loves her older sister.

Relationships
Jason Monroe

Jason is one of Marilyn's friends.

Mason Jackson

Mason is one of Marilyn's friends.

Ruth

Ruth is one of Marilyn's friend.

Becky

Becky is Marilyn's girlfriend.

Lucy

Lucy is one of Marilyn's friends.

Ramona

Ramona is one of Marilyn's friends.

Marilyn Jones

Marilyn is the Twin Sister's friend. She thinks she is playful.