Waldo/Wally

But he's so easy to find..all you do is burn the book xD

 

Or if it's the cartoon, after about a minute the narrator points him out.

 

Nah. This setup works a lot better:

Person A makes person B into a Horcrux. Person B makes person A into a Horcrux. Person B and person A do their best not to get simultaneously murdered.

 

The Where's Waldo movie is going to bomb.