It was moreso a joke than a fake leak, but there was one watermelon slice pokemon that looked super adorable that i really wanted it to exist. The best leaks were the fake final evolutions for the starter pokemon Pokemon has a long history of leaks and rumors that try to pass themselves off as the real thing, even though they're completely fake.
Fake Pokemon Leaks That We Wish Had Come True
Like those real leaks, this fake used differentiation between the different writing styles of japanese to set either a cuter or cooler tone for different starters, and depicted the fake starters.
One woman working for an italian gaming site leaked a lot of fake info from new fakemon and fake mega evolutions
Just seeing what she came up with makes you wish she worked for game freak