Celtic was a Young Blood Yautja who, in 2004, travelled to Earth with his younger comrades Scar and Chopper to undertake an initiation Hunt in an ancient Predator pyramid beneath the ice on Bouvet Island. 

[Biography]

Celtic is the Oldest of the Three Brothers and is the Alpha of their Hunting Group.  Impulsive and Brutishly Aggressive, Celtic has Accumulated the Most Kills Amongst the Group.  As a result, He has Earned More Advanced Weaponry than that of his Kin, Including a Net Launcher Gauntlet and Wristblades That can Flip 180.  His Life ends at the Hands of the Grid Alien During a Blind-Rage Attempt to Avenge the Death of his Brother, Chopper.