Mama Knife (credited as Knife's Mom) is a character who only appeared in Mommy and Me to scold Knife for chopping up Yam. She is very similar to her son Knife , except that her face is on the right hand side of the knife, and she has brown hair and blue heart earrings.
"What on earth are you doing?"
"Don't you mom me; I thought I raised you to be sharper than that."
She is the second character to wear earrings, after Mama Orange.
She is the first female knife.
She is played by Joey Nalty, the wife of Kevin Nalty, the voice of Knife.
She does not seem to care that much that knife killed somebody.