Gavin

"Dragon Emperor" Gavin (盖文) is Knight No. 04 within Kingdom Organization.

Guardian Spirit
Bearing the title "Dragon Emperor", Gavin posses a large armoured dragon as his Guardian Spirit.

Intruder In Rakshasa Street Arc
Gavin is introduced telling Norah isn't that strange for his words to flow out of his mouth. When Jack informs everyone of Hale Camp's inconvenience, he taken by surprise. After Jack mentions there main obstacle and suggests using Cao Yan Bing powers to turn him against the Requiem Generals, Gavin says that isn't how he works.