Switcheroo!
Karu's Comments:
Or they could use... a ninja-lawnmower. A nin-mower?
P.S. Click here for the black and white version.
Arthur's Comments:
"You know what's funny? It takes half a day for a unicorn and a ninja to clear two patches of grass. That's some intense grass clearing!
It's like those DragonBall Z episodes where they spend a whole episode just screaming and charging up to reach super saiyan."