As long as there have been robots, there have been attempts to create robot pets. A dog you don't need to feed, walk, or pick up after? Sign us up!

Much like a Tamagotchi, it allows players to raise their Digimon through various different life stages and features more than 10,000 accessories that can be used to customize their appearances.

And there's also Digimon virtual pets - another 1990s throwback - though these are also owned by Bandai Namco, and were originally designed as Tamagotchi for boys. Despite those gender-based lines ...

Come on. This Digimon Device fits the mold of most models, a cute and sometimes anime-accurate rectangular design perfect to add to your key-ring. Essentially a Tamagotchi with a Digimon spin ...

The original Tamagotchi proved to be very popular in both its native Japan and abroad, spawning spin-offs like Digimon and continuing to this day. There have even been video game-branded ...