In a recent tweet, Ken Sugimori, who designed the characters for Pokémon Red and Blue, shared a look at his original sketches for the first generation of Gym Leaders. Check them out below. (Thanks, Anime News Network)
From left to right: Brock, Misty, Lt. Surge, and Erika
Sugimori tweeted the image after the announcement of the Shirtless Brock figurine. He stated that more figurines might be announced if there was enough interest.