the Murderbot was created by the Murder Magician to cause chaos. It appeared in the story "...But the Past Ain't Through With You"
The Murderbot was created by the Murder Magician with the money he received from the Oppenheimer Prize for Villainy. He unveiled it on a talk show where it attempted to create as much chaos as possible before being destroyed by 00.01 Spaceboy, 00.06 The Horror, and 00.04 The Séance
The Murderbot's only known ability was incredible strength
"...But the Past Ain't Through With You" (Destruction)