Kaitlyn is the friend of Felicity of The Grim Adventures with Billy, Mandy, Felicity and Toby. She is voiced by Colleen O'Shaughnessey.
Kaitlyn, Felicity's friend and the student of Endsville Middle School. She's friends with Mandy, Billy and Felicity. Unlike Mandy, she's happy, quiet and cheerful. She hates it when she and her friends have to force Mandy to smile. It is revealed that she's shy, reads books and is very kind, friendly and nice.
She has tan skin, brown eyes and long, smooth brown hair. She wears a pink shirt, yellow hoodie, black skirt, striped leggings and purple sneakers. She also wears glasses. She wears a school uniform like Brielle, Nerissa, Felicity and Sonnet does. She wears different clothing.