That would be Geralt, the Witcher.
assitant
Hmm, I think the main character was the protagonist, but I’m not totally sure.  Let me look for this one.
assistant
Which gaming company developed the Witcher 3?
user
As far as I can tell, from looking at this article, CD Projekt RED developed The Witcher 3.
assistant
Who was the main character for this game?
user