The Angry Video Game Nerd's alter ego is "Board James".

The answer is true because "Board James" is indeed the alter ego of the Angry Video Game Nerd. Board James is a character played by James Rolfe, the creator of the Angry Video Game Nerd series. In the Board James show, James takes on the persona of Board James, a character who reviews and plays board games, showcasing his humorous and enthusiastic style similar to his Angry Video Game Nerd character. This alter ego allows James to explore and review different types of games beyond just video games, expanding his content and connecting with a wider audience.