Arceus.
mew is the strongest Pokemon
because he isn't. stat wise he is a normal typical legendary. fan-base wise, he is overrated. don't think he's the strongest pokemon just because everyone else say so, or because he was in the first movie. arceus is the strongest pokemon. as he has the highest stats, and he created the universe.
Infernape is totally the strongest and if it helps he starts from a chimchar. Charizard. He is the first the best and the strongest
Wynaut.
riolu
It depends on what the Pokemon is.
first you must find him and attack him, after that get the strongest Pokemon you have and keep on using its strongest attack and heal it a lot.
it might be that your Pokemon doesn't have enough friendship with you first evolution 14 second evolution 36
Mewotwo is. He is 680 and no one is higher than him in kanto.
Squirtle is the first evolution, then it becomes Wartortle, and after that it becomes a Blastoise.
The 080 entry is BARBOACH THE FIRST EVOLUTION OF WHISCASH.
in victory road you get a deino which is the first evolution