"champion" - key terms from Wikipedia

acc champion
australian open champion
australian open doubles champion
champion
champion	edition
champion	of champions
champion	sound
cruiserweight champion
defending champion
doubles champion
eventual champion
featherweight champion
flame champion
former ufc heavyweight champion
former world champion
french open doubles champion
grand prix champion
grand slam champion
heavyweight champion
interim champion
light heavyweight champion
light welterweight champion
lightweight champion
middleweight champion
mixed doubles champion
nba champion
nwa world champion
olympic champion
open doubles champion
open mixed doubles champion
reigning champion
returning champion
sec champion
supercross champion
time champion
tornado champion
tournament champion
triple crown champion
ufc light heavyweight champion
ufc lightweight champion
welterweight champion
will champion
wimbledon champion
wimbledon doubles champion
world boxing champion
world champion
world champion	boxer
world gp champion
world heavyweight champion
world light heavyweight champion