Spoilers Ahead for Teenage Mutant Ninja Turtles ... a sorrowful end with David's death. In his final moments, David passes the Nightwatcher mantle down to Raphael, who then makes it his own.

Leonardo may be the leader of theTeenage Mutant Ninja Turtles, but fans shouldn't forget to give Raphael his own credit. Before embarking on his darkest era yet, Leonardo had a reputation for ...