Liam Marshall, also known as Mr. Maplesyrup, is a Canadian rapper, voice actor, gamer, and YouTuber. . He runs a series called Epic Rap Battles of MapleSyrup. He has also appeared in SuperThingsOnCups Rap Battles and Epic Rap Battle Parodies.
- Corey Riffin (Corey Riffin vs Marceline)
- Wirt (Wirt & Greg vs Star & Marco)