There is no way i will name them all but it is possible to get Pokemon from each region not all of them so you will need to trade or use the dual slot thing.
There are 493 Pokémon in Pokémon Pearl, which includes all Pokemon from the first four generations. This number covers all the Pokémon that were available in the Sinnoh region in the game.
493 altogether
493. You have to trade with other games if you want to catch 'em all.
Pokemon Diamond,Pokemon Pearl,pokemon platinum,pokemon heart gold and soulsilver.
In the Sinnoh Pokedex, there are 493, from (#1) Turtwig to (#493) Arceus.
493 just like in diamond
493
493 3 r only by cheat codes
Yep. in Pokemon Diamond an Pearl on a R4 cart.
POKEMON IN THE SINOHTHERE ARE 493 TOTAL POKEMON IN PEARL. I HAVE ONLY 458 THOUGH. WHEN U GET ALL 493 U GET TO EXPLORE THE KANTO JHOTO HOEN AND ANOTHER REGION WHICH HAS YET TO REVILE ITSELF. LIAR I DUNNO WHAT THE HECK YOUR THINKING BUT YOU CAN ONLY STAY IN SINOHO. tHE STARTER POKEMON ARE TURTWIG, CHIMCHAR,AND PIPLUP
uh sorry there're only 493 pokemon.
about 470-480 In diamond pearl and platinum there were 493 total.
If by last Pokemon you mean the last one in the pokedex then that'd be Arceus, #493