Calvin and Hobbes by Bill Watterson for October 06, 1986
Calvin: With great effort, Calvin thehuman insect advances the paper in the typewriter. His only hope for proper medical treatment lies in his ability to write a legible message to his family! He crawls to each key and jumps! Mom: Who wrote "Help I'm a bug" on my letter to grandma? Calvin: Evidently some bug. How strange.