Guy Gardner with the help of G'Nort stops the Quadian plot and Buk-50 loses his power ring. Buk-50 will eventually become a security agent for the Palindrordnilapians. They send Buck-50, Boom and Thoom to earth to test Guy to see if he would be a worthy leader of security agents for the Palindrordnilapians
Buk-50 was created by Gerard Jones for use in DC Comics. His first appearance is in Green Lantern #11 which was released April of 1991.