More Ideas...

[u]Panpour/Simipour[/u]
[b]Blistering Geyser:[/b] The Pokemon forces underground water to come spouting out of the ground, creating a powerful and burning geyser. This attack is simultaneously Water and Fire Type.

[u]Pansear/Simisear[/u]
[b]Nature Bomb:[/b] The Pokemon grabs a nearby object such as a berry or tree branch and infuses it with a powerful Fire energy.  Upon impact with the opponent, this object explodes in a fiery blast.  This attack is simultaneously Fire and Grass Type.

[u]Pansage/Simisage[/u]
[b]Bloated Cactus:[/b] The Pokemon quickly grows a large cactus in front of it.  The cactus, bloated with a large amount of water, bursts open, sending spikes and water flying towards the opponent. This attack is simultaneously Grass and Water Type.

[u]Lapras[/u]
[b]Ice Shot:[/b] Ice Shot is a two part move.  First, the Pokemon covers its back in thick ice, creating spikes that are damaging to the touch.  in the second part, the Pokemon shatters the ice, sending the spikes flying towards its opponent.

[u]Alomomola[/u]
[b]Turncoat Heart:[/b] The Pokemon spins fiercely, creating a sharp vortex attack in the shape of a heart.  Upon contact, this move creates infatuation on Pokemon of either gender.

[u]Clauncher/Clawitzer[/u]
[b]Harpoon Shot:[/b] The Pokemon propels its dominant claw at the opponent with a tremendous amount of water, pinning the opponent up against a surface.  The Pokemon's claw is attached via a tether and the Pokemon is pulled to its opponent for a quick follow-up attack.

[u]Poliwag/Poliwhirl/Poliwrath[/u]
[b]Flying Steamroll:[/b] The Pokemon grabs its opponent and holds on tight as it shoots a torrent of water at the ground, sending both Pokemon flying into the air.  The Pokemon body slams its opponent as it hits the ground.

[u]Slugma/Magcargo[/u]
[b]Smelting Melt:[/b] The Pokemon's body melts into the ground, causing it to disappear from sight.  While in the ground, the Pokemon gains power from the earth's heat before bursting upward and attacking with lava.

[u]Mew[/u]
[b]Genesis Beam:[/b] The Pokemon uses its unique DNA to create a powerful, technicolor beam that strikes with an intense power. This attack is Super-Effective on any Pokemon.

[u]Celebi[/u]
[b]Time Gate:[/b] The Pokemon opens up a gate in time, pulling together the past, present, and future in one location. The Pokemon then calls on weapons from across the time stream to attack its opponent.

[u]Squirtle/Wartortle/Blastoise/Mega Blastoise[/u]
[b]Hydro Whirl:[/b]The Pokemon retreats into its shell, protecting itself from any damage. It then shoots jets of water from inside it's shell, causing the Pokemon to spin and attack it's opponent. (See: That one Orange Islands episode with Ash's Squirtle.)

[u]Hoothoot/Noctowl[/u]
[b]Shadow Wing:[/b] The Pokemon uses its powers to plunge the battlefield into near-complete darkness.  Using its superior eyesight, the Pokemon then slashes its opponents with hardened wings.

[u]Shaymin (Land)[/u]
[b]Leaf Drain:[/b] The Pokemon attacks its opponent with a whirlwind of leaves.  These leaves not only cause damage, but stick to the opponent Pokemon, sapping its energy gradually. The Pokemon gains some health from this energy drain.

[u]Finneon/Lumineon[/u]
[b]Luster Trap:[/b] The Pokemon blinds its opponent with a flash of its lumineous scales.  While the opponent is blinded, the Pokemon wraps its opponent in a tightly wound ring of water, temporarily incapacitating the opponent Pokemon.

[u]Phione[/u]
[b]Aqua Boomerang:[/b] The Pokemon creates a large boomerange made out of water.  Once thrown, the boomerang may be caught and thrown again.  Each successful catch increases the attacks power.

[u]Skiddo/Gogoat[/u]
[b]Timber Charge:[/b] The Pokemon sheds its leafy outer-coat.  These leaves cause a large tree to grow instantaneously.  The Pokemon charges this tree, causing it to fall on the opponent Pokemon.

[u]Ponyta/Rapidash[/u]
[b]Fiery Stampede:[/b] The Pokemon creates multiple fire copies of itself creating a herd of horse Pokemon.  The herd proceeds to trample over the opponent Pokemon.

[u]Numel/Camerupt[/u]
[b]Volcanic Fissure:[/b] The Pokemon stomps the ground, creating multiple miniature volcanoes.  These volcanoes erupt, sending fire and debris flying in all directions, harming the opponent Pokemon.