Apollo

Apollo (アポロ, Aporo) is a character to appear in ''Yu-Gi-Oh! ARC-V. ''He is an Academia Duelist who is in charge of guarding the Eastern Tower where Rin is being held captive.

Etymology
In Greek and Roman mythology, Apollo is the name of the god of sun and light. This fit Apollo's title as "Guardian of Sun". In addition, he is also using a sun-themed deck.