Henry's Zekrom

Henry's Zekrom is a powerful legendary Pokémon that Henry owns and uses only battle evil organizations like Team Plasma.

History
It is unknown how Zekrom ending up with Henry, but it is loyal to him just like every other one of his Pokémon.

Trivia

 * It is a member of the Tao Trio, along wih Jane's Reshiram and Matt's Kyurem.