A Michigan mother charged with killing her three-year-old daughter is claiming that SpongeBob Squarepants ordered her to commit the fatal stabbing, MLive reports.

Justine Johnson, 22, is accused of stabbing her daughter, Sutton Mosser, several times on Sept. 16, before stuffing the child’s lifeless body in a black trash bag. The incident took place just a few days after Sutton’s third birthday.