This cute girl with short red hair, green eyes, and a blue raglan with a cat logo is called Gwendolyn Tennyson. She is Ben's sister and partner in the fantastic cartoon series Ben 10. Gwen is a very kind, understanding, intelligent, and caring girl who has analytical skills. Gwen Tennyson can manipulate mana, control energy, use magic and spells, and she also knows martial arts. The cartoon cursor for a mouse called Ben 10 Gwen Tennyson and Cat Print!