Because everywhere he went, he was Ronin!
1Forrest1
PENNAY!
He barked g-r-r-r-illa!
Because they're masters of "DEESE GUYS!"
Because he had a frog stapled to his face
Hey there little boy, you wanna BUY some candy?
Because he was a sensei.
Q: What did the samurai do when he was dishonored by his inability to complete the crossword puzzle? A: He committed ritual sudoku.