▁Professional ▁wrest ling ▁career ▁ ▁Training ▁and ▁early ▁career ▁( 1 9 9 8 – 2 0 0 3 ) ▁ ▁U rive ▁was ▁trained ▁for ▁his ▁professional ▁wrest ling ▁debut ▁by ▁his ▁father ▁and ▁his ▁uncle ▁Tony ▁Sal azar . ▁M íst ico ▁made ▁his ▁debut ▁on ▁April ▁ 3 0 , ▁ 1 9 9 8 , ▁working ▁as ▁" Dr . ▁Kar onte , ▁Jr ." ▁at ▁the ▁age ▁of ▁ 1 5 . ▁In ▁ 2 0 0 0 , ▁he ▁changed ▁his ▁ring ▁name ▁to ▁" A st ro ▁Boy " ▁in ▁honor ▁of ▁his ▁older ▁brother ▁who ▁had ▁died ▁months ▁earlier , ▁who ▁had ▁worked ▁as ▁the ▁original ▁Ast ro ▁Boy . ▁Later ▁on , ▁he ▁was ▁joined ▁by ▁another ▁brother ▁who ▁worked ▁as ▁" A st ro ▁Boy ▁II " ▁to ▁form ▁a ▁tag ▁team . ▁In ▁ 2 0 0 3 , ▁M íst ico ▁tra ve led ▁to ▁Japan ▁to ▁work ▁for ▁Mich in oku ▁Pro ▁Wrestling ▁where ▁he ▁was ▁bil led ▁as ▁" K om achi ", ▁a ▁ring ▁persona ▁he ▁took ▁over ▁from ▁fellow ▁l uch ador ▁Vol ador ▁Jr . ▁who ▁had ▁played ▁the ▁part ▁for ▁about ▁a ▁year . ▁ ▁Conse jo ▁Mundial ▁de ▁L ucha ▁Lib re ▁ ▁R ise ▁to ▁st ard om ▁( 2 0 0 4 – 2 0 0 9 ) ▁ ▁In ▁ 2 0 0 4 , ▁U rive ▁was ▁rep ack aged ▁as ▁M íst ico ▁and ▁given ▁an ▁elaborate ▁back story