Chazz Princeton, known as Manjoume Jun in Japanese, is a central character in the Yu-Gi-Oh! GX series. Initially portrayed as an arrogant and self-centered duelist from a prestigious family, Chazz starts as a rival to the protagonist, Jaden Yuki. Over time, Chazz undergoes significant character development, evolving into a more humble and honorable duelist. His journey from the elitist Obelisk Blue dormitory to the underdog Slifer Red dorm showcases his resilience and growth. Chazz is known for his signature catchphrase, 'Chazz it up!', and his deck focuses on powerful and strategic plays, including the iconic Ojama cards.