Barry Tycoon

Barry Tycoon is said to be in the upcoming sequel to HGSS: Johto Saga, HGSS: Sinnoh Saga. The possibility of him being a main character is out there, but his official role will not be known until the series starts.

Trivia
Barry Tycoon was revealed to be in the sequel alongside Professor Alexander Rowan and Professor Trina Araragi in Chapter 54.