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>Sugimori illustrated Lucy for Emerald
>The Emerald Frontier Brains never appeared in later games, barring Anabel in Gen VII, so they're technically among the most obscure important characters
>Emerald came out in 2004, 16 years ago
>Ken Sugimori was the one who wanted a game with every major Trainer, leading to Pokémon Masters
>They released Lucy last week in Masters
>Sugimori does a sketch of her on his twitter in celebration
Doesn't mean much. He probably just liked that character. He liked Rosa too, which is why she's the poster girl of Masters, but in that case, it was Yusuke Ohmura who designed and illustrated her.