Behold! The Slate Pseudo-Legendary!
Stalime
The Star Gaze Pokemon
Water
Small jovial Pokemon that are enamored by the night sky. Despite not being able to leave their lakes and rivers for long, they spent every second they can watching the night sky before they dry out. You can tell there's going to be a metor shower when a whole school of them gather at the waters edge excitedly.
Stellide
The Star Glide Pokemon
Water/Steel
It's outer slime layer has hardened to be as strong as Steel. Now able to stay out of water for months at a time before they need to rehydrate, they often practice levitation via magnetism to get closer to the stars they love so much.
Lumiaco
The Star Guide Pokemon
Water/Steel
Powerful Pokemon that soar high in the heavens, watching and reading the stars. They are gentle with children, and happily point out constellations to any eager child on their back. They would gladly help lost travelers make their back to civilization, using the cosmos as their guides.