Age: 18 (season one), 19 (WRGP), 21 (final Team 5Ds Future), 29 (finale timeskip)
Birth: January 11
Height: 191 cm
Weight: 72 kg

Deck:
- Resonator Deck

In Yu-Gi-Oh! 5D's:
Jack is known as the "Absolute King of the Riding Duel", and was once Yusei's best friend, but they became bitter rivals after Jack stole Yusei's Stardust Dragon and D-Wheel and left for Neo Domino City. Now, as a former resident of Satellite, he must hide his past from the rest of society. He is very arrogant and overconfident, but still has a strong conscience. His signature card is also a Synchro monster, Red Daemon's Dragon. He plays a "Swarm" Deck, focusing on quickly Tuning weaker monsters together to summon his Dragon. Jack is one of the five Signers, the chosen ones of the People of the Stars, and carries the Crimson Dragon's Wings.

In Yu-Gi-Oh! Arc-V:
The Duel King, a native of the Commons section of City. He rose through the ranks and won the Friendship Cup, allowing him to live in Tops. Jack's personality is similar as his 5D's version, he is a confident and powerful Duelist who believes his own power can overcome his enemies. Jack's arrogance is apparently a product of his time spent among the Tops citizens. Jack also sees himself as an Dueltainer, but his philosophy on this is quite different from Yuya's, who uses flashy presentation and tricks. He believes strength is used to entertain the crowd and views Yuya's Entertainment Dueling as self-satisfaction only.

(Source: Wikipedia)