No you can not
in dawns house
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.
Dawns little sister is in Sandgem Town. Dawns house is just below the Pokemon center and the lab. (It's the biggest house there) She'll be inside neer Dawns Grandfather.Dawn's kid sister is in Dawn's house in sandgem city ( the biggest house there).
the Pokemon that dawns little sister tells you
southwest of Pokemon research lab in sandgem-platinum
wait for dawns sister to say where it is after you beat the game
snubbull
she is in the biggest house in sandgem town - she is downstairs
Go to Dawns sister in sandgem and talk to her. She tells you how to get different pokemon. That is one of them.
The Pokemon smoochum comes in a swarm you can talk to dawns sister in sandgem town
dawns sister will tell you after nationall pokedex on a ceirten day
you can catch a larvitar on route 206 if dawns sister says you can.