>>30602034My first non-gyarados shiny was a Caterpie in Crystal. There's a guy in Illex Forest show says somethng like "I headbutted the tree and a weird Pokemon I never saw before fell out." I headbutted the tree right next to him and got the Caterpie. I know it was just a coincidence but I headbutt that same tree whenever I replay GSC
The next shiny was a Whismur in Ruby from Rusturf Cave.
Before HGSS came to the US, I played the Japanese ROM on an emulator and somehow found two shiny Furrets in a row near the Lake of Rage. I'm guessing something was weird with the emulator.
My latest shiny was Zubat in Sun. It's a shame because Zubat/Golbat look awesome but Shiny Crobat looks kind of terrible.