Red Cap Badge
From City of Heroes: Rebirth - Wiki
Description
You now can summon a Red Cap Rascal in the Arena pet battles.
Gladiator Classification
This Gladiator is classed as a minion.
How to Get
The Red Cap Gladiator Badge is earned by earning the Toothbreaker Badge.
Notes
This gladiator is listed on the Arena kiosk as Rascal.