The comic for February 26, 2007.
Time Friends is a repeating-art comic by Kristofer Straub. After visitors to his website starting making new Time Friends strips, he decided to explicitly encourage that kind of piracy. I submitted this strip to Straub's You.0.
REGULAR NINJA VS. TIME FRIENDS NINJA
REGULAR NINJA: TOMORROW, I WILL KICK YOU IN THE HEAD.
TIME FRIENDS NINJA: BY USING OUR TIME MACHINE, WE CAN GET THERE BEFORE LUNCH.
FUTURE NINJA: IN THE FUTURE, NINJAS WEAR THEIR MASKS ON THE INSIDE.
REGULAR NINJA and TIME FRIENDS NINJA: NOOOOOOO