Dr. Lavaさんのイラストまとめ

Lost Pokemon of the Day: Petilil evolution

First revealed in a 2011 Ken Sugimori interview, the Petilil family was originally designed with 3 stages -- but one stage was cut because Gen 5 had too many Grass types.

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Lost Pokemon of the Day: Cheep & Jabetta

First discovered when Gen 1 beta assets leaked in 2019, this two-stage Pokemon family was originally created during the development Red & Green... but ended up getting cut.

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Beta Elekid:

In Gold & Silver's 1997 demo, Elekid was originally named Erebebii, which in Japanese means "Electric Baby." He was also male-only and evolved at level 15, rather than 30.

1. Recreation by @RacieBeep
2. 1997 demo sprite, 1999 final sprite
3. 1999's final design

Lost Pokemon of the Day: the Rinrin family

First revealed when Gold & Silver's 1997 demo leaked in 2018, Rinrin & Berurun were a bell-themed family of Dark type felines... but they didn't make the final cut.

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Pokemon: Only in Japan

This artwork was included in the New Hoenn Art Book, a 32 page publication gifted to Japanese fans who pre-ordered Omega Ruby & Alpha Sapphire. But sadly for those us living outside Japan, the New Hoenn Art Book was never made available internationally.

Lost Pokemon of the Day: Elephant

Revealed by Game Freak in 2018, this Elephant Pokemon was originally created during Gen 1's development. He ended up getting cut, but a possible reference still exists in the game -- Raichu's Japanese Pokédex entry.

(More info in thread) (1/4)

Beta Octillery:

Just like beta Hydreigon, Octillery was originally based on a tank. For more info about the tank-based Hydreigon family, watch this video: https://t.co/gSs5ok3FHz

1. Demo sprite recreation by @RacieBeep
2. 1997 demo sprite, 1999 final sprite
3. 1999 final design

Lost Pokemon of the Day: Turban

First revealed when Gold & Silver's 1997 demo leaked in 2018, Turban was almost promoted to becoming its own Pokemon... rather than just the monster that chews on Slowbro's tail.

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Beta Umbreon:

In Gold & Silver's 1997 demo, instead of Dark, Umbreon was originally Poison-type and evolved from Eevee via Poison Stone -- an item that ultimately got scrapped.

1. Demo sprite recreation by @RacieBeep
3. 1997 demo sprite, 1999 final sprite
4. 1999's final design

(2/4) Details about White Pichu were first revealed by Shōko Nakagawa in her 2013 autobiography. Shōko is best known as the host of Pokemon Sunday, and she's also Spiky-eared Pichu's voice actress in the Japanese anime. Shōko's even revealed White Pichu's official concept art.