|Education and employment|
|Roommates||Paolo Rocca, Jade Rosa, Eva Capricciosa|
|Aspiration||Friend of the World|
|Game||The Sims 4: Get Together|
He is a member of the Partihaus club along with his roommates. He is also the leader of the Powerhouse club with Paolo and Clara Bjergsen, though Marcus doesn't have a relationship with Clara. According to the household bio, Marcus invited his roommates to party with him in Windenburg.
His name "Marcus Flex" may be a play on "Muscle Flex," which may be a reference to his muscular body and his active personality.