English name: Vaporeon (Derived from the word 'vapor')
Japanese name: シャワーズ (Showers)
Evolutionary chain: Eevee + water stone
Best Base Stat: HP
First debuted in the anime: Episode 40
First debuted in the manga: Chapter 19 (Technically*)
Red/Blue: Lives close to the water. Its long tail is ridged with a fin which is often mistaken for a mermaid's.
Yellow: Its cell structure is similar to water molecules. It will melt away and become invisible in water.
Stadium: Found quietly resting by lake shores. Its cell structure is similar to water, so it can invisibly melt into water.
Gold: When VAPOREON's fins begin to vibrate, it is a sign that rain will come within a few hours.
Silver: It prefers beautiful shores. With cells similar to water molecules, it could melt in water.
Crystal: As it uses the fins on the tip of its tail to swim, it blends with the water perfectly.
Stadium 2: When Vaporeon's fins begin to vibrate, it is a sign that rain will come within a few hours.
Ruby/Sapphire: VAPOREON underwent a spontaneous mutation and grew fins and gills that allow it to live underwater. This POKeMON has the ability to freely control water.
Emerald: VAPOREON underwent a spontaneous mutation and grew fins and gills that allow them to live underwater. They have the ability to freely control water.
Firered: Its body's cellular structure is similar to the molecular composition of water. It can melt invisibly in water.
Leafgreen: Lives close to water. Its long tail is ridged with a fin which is often mistaken for a mermaid's.
Diamond/Pearl: It has evolved to be suitable for an aquatic life. It can invisibly melt away into water.
Platinum: Its cell composition is similar to water molecules. As a result, it can melt away into water.
*Red catches an Eevee that can evolve into any Eevee evolution at will (and it can change back into an Eevee).
As far as myself using a Vaporeon, I haven't. Ever. I've always had a water type in my party so I had no need to get a Vaporeon. I've always evolved Eevee into Jolteon.
But now I'm thinking of making a Vaporeon part of my Platinum team, so that's why I chose it for this week.
---Sorry if I'm stealing your spotlight NidoKING. xP