Peter is a character in the 2011 animated film The Prince of Tennis: Eikoku-shiki Teikyū-jō Kessen!. He is a member of Clack, the street tennis group whose violent playing style and conduct led to their ban from official competition and who attack the visiting junior players in London. In appearance, Peter is dark-skinned and has purple hair, and he wears a thin headband that goes around his hair and across his forehead.

In the story, Peter appears after Ryoma Echizen and Xiu reach Clack's hideout inside an old castle. He is one of the members waiting to receive them, and the film presents him as a Clack member who holds particular hostility toward Xiu, a former member of the group who has turned against it. Peter is the first to challenge Xiu to a match there, making him one of the adversaries the main characters face during their infiltration of the stronghold.

In terms of personality and motivation, Peter is shown as confrontational and antagonistic toward Xiu, and his actions are driven by his allegiance to Clack and its leader Keith. His hostility toward Xiu in particular defines his role, as he seeks to take on the group's former member in combat. His key relationships are therefore shaped by this conflict: he stands as an enemy to Xiu and, by extension, to Ryoma and the Japanese representatives, while remaining loyal to Keith and the rest of Clack.

As a tennis player, Peter belongs to a group known for rough and unconventional street tennis rather than standard tournament play. The film depicts him engaging in a match against Xiu as part of the series of irregular court battles inside the castle, though his individual techniques and playing style are not elaborated on. Peter receives little character development over the course of the film; he functions mainly as one of Clack's members and an early obstacle within the hideout, with his role limited to the confrontation with Xiu.