The mother kraken is a kraken who appears in the episode "Trident Trouble."
The Mother kraken is a large, light brown kraken that has eight legs. She has yellow eyes with black eyelashes, and she has sharp pointy teeth. She has tiny pink pimples below her eyes and below the bottom of her mouth. Her tentacles have mouths with sharp pointy teeth. She is also wearing a lavender shirt.
She first appears with her son, the Baby kraken, when he complains to her about King Neptune beating him up. She easily defeats Neptune, due to him not having his trident with him. She lastly appears with her son at the end of the episode, where they are seen by Neptune and SpongeBob, who are on top of a monstrous Krabby Patty, and SpongeBob and Neptune chase her and her son.