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For anyone who thinks Bulbasaur isn't Red's intended starter let me just remind you:
1- Red appeared with Bulbasaur in Red/Green promotional artworks.
2- Bulbasaur was also his starter in Red/Green Guidebook
3- Red appeared with Venusaur and Blue with Charizard in the 4koma gag comics
4- In Pocket Monsters Blue got Charmander and Green got Squirtle, while it wasn't shown if Red got Oak's Bulbasaur, Red appeared later with a Venusaur though.
5- Red has Bulbasaur in Pokemon Generations's First Episode.
6- Pokemon Adventures manga, which is based on Red/Green original artworks and Pokemon creator said it's the closest to what he imagined Pokemon world to be.
The only times where Red didn't have Bulbasaur is Pokemon Origins and Zensho.
Now stop crying about Red not having Charmander here.