I think that the funniest thing about him is that while he acts paranoid and doesn't tolerate any insubordination he seems to be unable to realize that someone who act loyal to him may not be trustworthy after all given how he is oblivious to the fact that his subordinates mock him in his back for being paranoid about the Red Scabbards' return, and that the samurai he trusted so much Kyoshiro, and the woman he lusted for so much Komurasaki, hate his guts and were plotting against him.