Ultraman and Superman made a fitting pair, perfectly matching Donnie's choice. If The Monitors ever wanted to activate Thought Machine Superman in the future, they would have to find two Supermen to serve as energy sources. Positive-Matter Ultraman and Anti-Matter Super Tyrant were the two energy sources Donnie had chosen, and they were also the most suitable candidates. "Though Ultraman is a little weak, when it comes to beasts like Superman, there's nothing a tube of Doomsday Virus can't solve. If there is, then use another tube.