Troy Baker is Everyone in Batman

Why is Troy Baker trying to be everyone in Batman?

Batman - Lego Batman 2-3, Lego Dimensions, Batman Be-Leaguered, Justice League vs. Bizarro League, Attack of the Legion of Doom, Cosmic Clash, Gotham City Breakout, Batman: The Telltale Series
Dick Grayson - Injustice: Gods Among Us
Tim Drake - Batman: Arkham City, Arkham City Lockdown
Jason Todd - Batman: Arkham Knight, Arkham VR
Two Face - Batman: Arkham City, Arkham Knight, Lego Batman 2
The Arkham Knight - Batman: Arkham Knight
The Joker - Batman: Arkham Origins, Batman: Assault on Arkham, Batman Unlimited, Mechs vs. Mutants
Batzarro - Justice League vs. Bizarro League
Thomas Wayne - Batman: The Telltale Series
Minor Roles - Court of the Owls Lieutenant (Batman vs. Robin)