To use bot commands, just type '!<command>', '<bot name> <command>' or '<bot name>, <command>'
Click Here for the extensive command list
For example:
xTouchMe: !say test
xTouchMeBot: test
xTouchMe: xTouchMeBot action dances
xTouchMeBot dances
xTouchMe: xTouchMeBot, slap everyone
xTouchMeBot steals everyone's cookies. Mwahahahaha!