|First Appearance||Mommy and Me|
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 Knife , except that her face is on the right hand side of the knife, and she has brown hair and blue heart earrings. She is played by Wifeofnalts.
- "What on earth are you doing?"
- "Don't you mom me; I thought I raised you to be sharper than that."
- She is a parody of a nagging parent.
- It seems she wants to chop characters, a hint is figurded when she says "I thought I raised ou to be sharper than that" meaning she want's knife to make them have a painful death.
- She is the second character to wear earrings, after Mama Orange.
- She is the first female knife.
- She is the only knife to not murder someone.
- She has an unknown husband and it is unknown if she has another son or a daughter, because that can add to knife's family tree.