Kanto kids as geezers (+Yellow)

A practice with facial features that change with age.

(NOTE: This is my own headcannon, so please don't come after me if you are displeased with it.)

So at some point, the Dexholders have to grow up. Some, like Green, age like a fine wine, while others---_{*cough*YELLOW*cough*}---die young. When Yellow passed away due to her poor health, Red fell into a severe state of depression that took a long while to recover from, even with the best efforts of all his friends and acquaintances. By the time he reached his mid-fifties, he retired from being a trainer and was forced by Green and Blue has chosen to stay at an old folks' home in Viridian City, his late wife's birthplace and the city wherein Green was the Gym Leader.

Red, Green, Blue, Yellow (Pokémon Adventures) © Kuseki Hidenori

art © Aeveternal