Exocannibals only eat his or her enemies, while an indocannibal only eats his friends. Lesson? Keep your enemies close, and stay the heck away from your friends.
The “most prolific cannibal,” a dude named Ratu Udre Udre, ate up to 999 people in his lifetime. He’s in the Guinness Book of World Records for “most people eaten” or something like that. No word on whether he ate his friends or enemies. Is there any such thing as an “Omnicannibal?”