Vanir is a main supporting character in the KonoSuba series. He is Wiz's close friend, a duke of Hell, and a former general of the Demon King's army. After moving into Wiz's shop to help her out, he became a self-proclaimed "model citizen of Axel". He routinely meets with other inhabitants of the city to do idle gossip, enforces trash dumping rules, is a part of the board of merchants, and has been dubbed "Crow Slayer Vanir" for his efforts in driving birds away from the dumpsters around the town. Vanir acts rather egotistically and is driven by self interest. He has a tendency to shamelessly boast about himself, but also has the extraordinary powers to back up many of them. While he claims that might is right, he helps the weak on numerous occasions in an altruistic manner, offering useful advice or giving them a way to overcome tough challenges.