The original design of Pikachu never had any black details on its tail, yet it also had a stripe or a zigzag pattern in the past to people including myself : r/Retconned

Pokemon's Pikachu and his tail : r/MandelaEffect

If Pikachu doesn't have a Black Tail why is Pikachu with a Black Tail in this image? Times Magazine Pokémon 25 Years Later in America is the title : r/Retconned

Pikachu's Black Tail and the Mandela Effect

Pikachu's Black Tail and the Mandela Effect

The Pikachu tail confusion: has the tip of it ever been black?

There is a Mandela effect that Pikachu never had a black tail so this justifies it is real. Pewdiepie drew a black tail I just realized this. Here is the real Pikachu to the one pewdiepie drew. : r/PewdiepieSubmissions

Imma need help explaining these entries : r/pokemon

The black on Pikachu's tail is gone : r/MandelaEffect

Why did they get rid of Pikachu's black tip on his tail in Pokemon? - Quora

Pikachu's Black Tail and the Mandela Effect

Does Pokémon fans remember a black tip at the end of Pikachu's tail? : r /MandelaEffect

Why did they get rid of Pikachu's black tip on his tail in Pokemon? - Quora

Why did they get rid of Pikachu's black tip on his tail in Pokemon? - Quora

HUGE Mandela Effect - 1,000,000% PROOF that Pikachu has a black-striped tail! (Vote #297)

This is why people remember Pikachu's tail wrong. : r/MandelaEffect