Butler is a "personal assistant" that can help you with various things.
Basic commands
"butler" - Spawns him to you
"shoo" - Forces him to go away
"follow" - Butler follows you around
Advanced commands
"gimme food" - Spawns you a single piece of meat
"gimme X food" - Spawns you an X amount of meat
"detonate" - Causes Butler to explode
More commands are being implemented as we speak.
Butler 0.2
Butler 0.1