Tarbus

Tarbus was a Thracian gladiator employed by Faunus in, during the 1st century BCE.

Tarbus wore a griffin head helmet during his fights, causing him to be beloved by the crowd. In around 47 BCE, his name was included in a list of gladiators for sale sent by Faunus to a lanista in Cyrene.

Reference

 * Assassin's Creed: Origins