alchemist are there? well i've watched/watching bleach,naruto,claymore,full metal panic,fullmetal alchemist,air gear,samurai champloo,blood+,tenjho tenge and alot more but this is all i can remeber right now =)
historys strongest disciple kenichi is a good one,Hajime no Ippo is about boxing. samurai deeper kyo and also fairy tail. these are all good shounen animes that may spark your interest