TSR PokeDex Project

[NICKtendo DS]

Here we have a trio that might work.
Based on both the Janken concept and the space rocks. The circle is balanced as they have abilities that cancel out the main type of the other member of the trio.
Clockwise from left:

Comegen (Comet+(Nitro)gen)
Type: Steel/Ice
Space Debris Pokémon
Ability: Levitate (Cancel Ground moves)

It's tail is actually mist caused by the intense cold energy inside its body.

Heateor (Heat+Meteor)
Type: Rock/Fire
Space Debris Pokémon
Ability: Ice Proof (Cancel Ice moves)

It has a molten core. Loaded with energy, it needs to purge by flying at top speed.

Astorb (Asteroid/Astro+Orb/Orbit)
Type: Rock/Ground
Space Debris Pokémon
Ability: Heat Proof (Cancel Fire moves)

During its journey through space, debris got caught in its gavitational pull, forming its tail.

As you can see, their main type is double super effective against one and doesn't affect the other.
I hope this settles the whole trio deal.
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An idea I got regarding the body-mind-spirit trio. I like to think the lake trio only involves the mind aspect, the Pokémon of mind being seperate and more general.

Neshdah (Ganesh+Buddha)
Type: Fight/Dragon
Embodiment Pokémon

This Pokémon represents the body which contains the inner being. A single stomp on the ground sends tremors felt all over the world.

For the first two versions I was thinking of Neshdah (body) and spirit, and for the third version mind.