The 20th anniversary movie, "Pokemon, I choose you" is a retelling of Ash/Satoshi's early adventures.
https://www.youtube.com/watch?v=5NHzI6_D4Tg
Edit: Looks like Gary/Shigeru is replaced too by a new rival.Phonetically spelled Warosu.
https://www.youtube.com/watch?v=5NHzI6_D4Tg
Edit: Looks like Gary/Shigeru is replaced too by a new rival.
Cross best rival?
It's "Cross" not "Warosu".
He even has the X.