Markiplier's older brother is the artist behind the web comic Twokinds. Twokinds is a fantasy webcomic that follows the story of a young man named Trace Legacy and his interactions with various anthropomorphic characters in a world filled with magic and political intrigue. The comic has gained a dedicated following since its creation in 2003, and it continues to be updated regularly on its official website. Markiplier has expressed pride in his brother's work and has occasionally promoted it on his social media platforms.