He wasn't the first to use that tactic to intimidate her.
These dedicated individuals are comprised of males and females with a goal of making the Trojan fans as loud as possible to intimidate their opponents and create an atmosphere of support for Trojan Warriors.
However, this should not intimidate beginners.
Usually the color matches the rest of the team, but it doesn't necessarily have to; some goalies like to have their own particular colorful design on their jersey, often to intimidate the other team.
Because gypsies who worked as fortune-tellers for non-gypsies played up their "exotic" dress to impress and intimidate customers, it is assumed that this is how they dressed at all times, when that was not actually the case.