Tamahome
Take a sip every time...
-Tamahome says or screams "Miaka!"
-The "ogre" symbol appears on Tamahome's forehead.
-Tamahome looks hot. (If you're a heterosexual male, guage this by your female friends' reactions. ^_~)
-There is a close-up of Tamahome's eyes.
-Tamahome mentions he loves Miaka.
-Someone other than Miaka makes a pass at him.
-You think, "Man, Evil Tamahome is a *******." (You can fill in the blank. There are two phrases that fit rather well. *eg*)
-Tasuki and Tamahome argue.
-Tamahome beats up on a large group of people.
(DRAIN if it's not bandits or slave traders/street gangs.)
-Tamahome mentions money.