Prior to Borderlands 3's launch, Gearbox gave out Vault Insider Program keys that worked similarly to Shift Codes. You earned them by doing things like watching trailers or following its social media.

Check out the Borderlands 3 vault hunter skill trees to find out which cosmetics and loot will serve you the best. If you’ve got a taste for heavy firepower, our list of Borderlands 3 legendary ...

Based on the appearance alone, this Vault Hunter may be similar to either Borderlands 3's Moze or Borderlands 2's Gaige, with the archetypes in question being the Gunner and the Mechromancer.