you can catch them in them in a swarm in lake valor or migrate from Pokemon fire red or leaf green.
you get likitung on Pokemon diamond and pearl by speaking to dawns little sister in sandgem town everyday until she gives you the location of likitung.
train a likitung to level 33 and have it learn the move it does at level 33
on Pokemon platunum on route 215 then trade it to your diamond or pearl -hope I helped
Likitung
pokemon likitung
Route 44.
Likitung will evolve into Likiliky after it learns the move AncientPower. In Pokemon Diamond, Pearl, and Platinum, that is at level 33. It may be different for Soul Silver and Heart Gold.
either likyliky or likitung
at level 30 when it learns roll out
Lickitung can be found in Route 44 in Pokémon Gold.
check this out: http://pokemon.marriland.com/hgss/pokedex/licktung/
if you mean lickilicky then you need to level up a likitung while it knows rollout