How to Evolve ALL of the Starters

To evolve you and your partner, you have to do the following:

1. Beat Primal Dialga.
2.Beat Darkrai, and graduate from the Guild.
3.Recruit Dialga and Palkia.
4.Recruit Manaphy.
5.Do a few missions, then Manaphy will tell you about a dungeon called Marine Resort.
6.Explore and finish Marine Resort.

You should be able to evole you and your partner.

This is the Evolution Guide below:

Charmander: Must be level 16 to evolve into Charmeleon.
Must be level 36 to evolve into Charizard.

Squirtle: Must be level 16 to evolve into Wartortle.
Must be level 36 to evolve into Blastoise.

Bulbasaur: Must be level 16 to evolve into Ivysaur.
Must be level 36 to evolve into Venusaur.

Pikachu: You need to give a Thunder Stone to the... cave... thingy.
Then click evolve.

Meowth: Must be level 28 to evolve into Persian.

Skitty: You need to do the same thing as Pikachu, but with a Moon Stone, instead of a Thunder Stone.

Munchlax: Raise your IQ to 2 or more Stars, then click evolve.

Cyndaquil: Must be level 16 to evolve into Quilava.
Must be level 36 to evolve into Typhlosion.

Totodile: Must be level 18 to evolve into Croconaw.
Must be level 32 to evolve into Feraligatr.

Chikorita: Must be level 16 to evolve into Bayleef.
Must be level 36 to evolve into Meganium.

Torchic: Must be level 16 to evolve into Combusken.
Must be level 36 to evolve into Blaziken.

Mudkip: Must be level 16 to evolve into Marshtomp.
Must be level 36 to evolve into Swampert.

Treecko: Must be level 16 to evovle into Grovyle.
Must be level 36 to evolve into Sceptile.

Chimchar: Must be level 16 to evolve into Monferno.
Must be level 36 to evolve into Infernape.

Piplup: Must be level 16 to evolve into Prinplup.
Must be level 36 to evolve into Empoleon.

Turtwig: Must be level 18 to evolve into Grotle.
Must be level 32 to evolve into Torterra.

Hope it helped.

Have you submitted this to the hints section yet?