Calvin and Hobbes by Bill Watterson for March 03, 1994
Calvin: There! Hobbes: Watcha doin'? Calvin: I've hidden a cache of snowballs behind every tree in the yard! Now when my enemies come after me, I need only run to the nearest tree to be instantly armed. Hobbes: Ingenious. Calvin: Now I need to make some enemies. Hobbes: I'll be one.