Calvin and Hobbes by Bill Watterson for June 13, 1986
Calvin: The fearsome shark senses distress in the waves above him! He circles up, closer and closer to the terrified victim! Mom: Hey! Calvin: Yahh! Snap thrash snap! MoM: You know, for someone who hates baths as much as you do, you're not making this go any faster! Calvin: Another gruesome kill.