I made a Tamagotchi Pix Growth Chart! based on the information I could find on Tamagotchi Wiki. This isn't a complete growth chart, we don't know all of the adult characters yet,
Beep-Beep: Bandai Namco is launching a Star Wars R2-D2 Tamagotchi - JackOfAllTechs.com
Jujutsuttchi Jujutsu Kaisen Tamagotchi - Kugisaki Color by Bandai
The Tamagotchi is BACK: Addictive 1990s toy gets a 21st-century makeover (but not in the graphics department) | Daily Mail Online
inLumio is a Tamagotchi-like meditative game out now for mobile | Pocket Gamer
Tamagotchi grows up! Revamped 90s nostalgia toy can now marry and breed with other virtual pets | Daily Mail Online
Tamagotchi's new smartwatch lets you strap a needy digital pet to your wrist - Wilson's Media