Anti-Monitor ( voiced by Tom Kenny ) -- An enormous robot created by a renegade Guardian , the Anti-Monitor has an insatiable hunger .
Anti-Monitor ( voiced by Tom Kenny ) -- An enormous robot created by a renegade Guardian , the Anti-Monitor feeds on literally everything .
Anti-Monitor ( voiced by Tom Kenny ) -- An enormous robot created by a renegade Guardian , the Anti-Monitor has an insatiable hunger and feeds on literally everything .