Ash Ketchum

Summary
For Ash Ketchum: see Ash Ketchum (disambiguation)

Ash Ketchum (サトシ, Satoshi) is the main protagonist of Pokemon series, he's the trainer from Pallet Town (マサラタウン, Masara Town) which lived with his mom and rivaling with Gary Oak while he has many adventure crew ranging from Kanto until Alola throughout the anime series, also he attends himself to do with Pokemon League Tournament. In Arnold & Brian special episode named "Arnold & Brian in Pokemon", Ash Ketchum himself go to Youtubeville with the portal before closed at every 10:00 and now he aged at 16 according to Arnold & Brian's theories about him while the anime series' age still 10.

Pokemon series
In Pokemon anime series, Ash Ketchum always appears throughout the series and here's the list which Ash Ketchum appears on the series:

Pokemon (Classic)

Pokemon (Classic-Season Orange)

Pokemon (Classic-Season Johto)

Pokemon: Advanced Generation

Pokemon: Diamond & Pearl

Pokemon: Best Wish!

Pokemon: Best Wish! (Season 2/2-N/2-Decolora Adventure)

Pokemon: XY (Pronounced as Cross-Why by "LeoThunderLion")

Pokemon: XY&Z (Same as above but there's "Zee" as the extra letter, for the user see above)

Pokemon: Sun & Moon

Deviantville series
Ash Ketchum has his appearances outer Pokemon series like Simpsons series which Bart watch his and Pikachu's action, in Deviantville series, he has appeared on  "Pokemon Issues",  "Arnold & Brian in Pokemon",, "Anime Madness", Cosplay Arc and "Deviantville: The Movie".

For "in Pokemon", Ash Ketchum has aged into 16 according to Arnold & Brian's theory about his age while they predict his age by "the fans" as coma, he sees Ho-Oh with Pikachu, Statue Ash, Time Lord from Doctor Who, etc but "Pokemon show turned into reality" for Leon and Brian. He later travel to Youtubeville alone instead having an adventure crew for him. Before he battling Leon, Ash Ketchum himself to have his claim that he has 56 badges from Kanto to Youtubeville, also he won on Pokemon League by winning on the final tournament, defeating region's Elite 4 and Champion PewDiePie by himself with his complex strategy and he has his own ideal Pokemon "Greninja" to be "Ash-Greninja" on his Poke-Transformation. He loses to Leon and he has given an advice by Leon to lose is OK but must train harder to win for another match. Soon, Delia appears on Youtubeville from the portal and he goes back to Pallet Town, Kanto.

In "Pokemon Issues", Ash Ketchum appears as a cameo while "Anime Madness" and "Cosplay Arc", Ash himself an anime character which he and Pokemon anime characters are the exception instead of being portrayed by "Arnold's crew" on all of majority animes.

In "Deviantville: The Movie", Ash Ketchum from "Arnold & Brian in Pokemon" helps them to stop 4Kids' villainity by slaving all anime or cartoon characters, and attacking innocent people, also anime fans which the leader is "Alfredo D. Kahn (アルフレドデレックカーン, Alfredo Derek Kahn)" with the nickname "Al" accompanied by "Fallen Angel, Hater No.666, Snairve, Dulonra, Adolf Hitler (from "Downfall Movie"), Haunted Mario.