Pokemon Trivia

Ash Ketchum

Ash has had 49 Pokémon including different evolutionary forms (78 if all Tauros are included).
Ash has caught at least one of the Starter Pokémon in every region, and has caught the main bird Pokémon that appears in that region's Pokédex.
He caught Pidgeotto in Kanto that later evolved into Pidgeot (Ash also almost captured a Spearow and later that same Pokemon evolved into Fearow) which he soon released to protect and lead a flock Pidgey and Pidgeotto.
It is Interesting to note that Ash must have accidentally evolved the Spearow into a Fearow a few episodes after its first appearance.
He captured a Shiny Noctowl in Johto.
He captured Taillow that later evolved into Swellow in Hoenn.
He captured Starly that later evolved into Staravia then Staraptor in Sinnoh.
He caught a female Pidove that evolved into Tranquill then Unfezant in Unova.
He caught a Fletchling that evolved into Flechinder in Kalos.
With the exception of the Orange League, Ash has never won a league tournament.
Ash's skin has tanned in the beginning of the Master Quest episodes from being outside in the sun all the time.
Ash is the only known trainer to have ever defeated Tobias' Darkrai.
In the Kanto region, Ash often turned his cap backwards when preparing for a battle or to capture a Pokemon. This habit wore off as time went on. However he was shown turning his cap backwards when he was battling Tobias, presumably because Tobias was arguably the strongest trainer he'd ever faced, being the only one who was capable of beating all six of his Pokemon using only two of his own. Although in the Best Wishes series, Ash is seen turning his cap backwards more often. He recently turned his hat around in A Battle of Aerial Mobility! when he used Froakie to help defeat and capture Fletching.
Ash has the ability to sense and control aura, as it was shown in Lucario and the Mystery of Mew and once again in the Diamond and Pearl episodes, "Pokémon Ranger and the Kidnapped Riolu! Part 1" and "Pokémon Ranger and the Kidnapped Riolu! Part 2". Aaron's Lucario has stated that Ash's aura is the same as Aaron's, and Ash was able to use his aura to find and save Riolu. Ash only used his aura abilities when it has something to do with either Riolu or Lucario.
Ash turned 10 at the start of the series and was canonically so from seasons 1-3, though it is unknown if he actually aged. According to the narration of In the Shadow of Zekrom!, he's still 10, although this narration is probably inaccurate, or maybe the directors have confirmed that Ash is still 10.
Ash has seen every legendary Pokémon from Kanto to Unova.
In Tekken 6, there is a female character named Eleonore "Leo" Kliesen, who can be customized to look like Ash Ketchum. Coincidentally, both characters were voiced by Veronica Taylor and sounded very similar.
Almost every character in the Pokémon anime are featured in the games, such Misty (Who even appeared as a trophie in Super Smash Bros. Melee), Brock, who appeared in Pokémon Red/Blue version, Lyra (from Diamond Pearl), as a Trainer♀ in Pokemon HeartGold/SoulSilver version and Gary, who appeared as main rival in Pokémon Red/Blue version default named as Blue. However, the only game Ash has ever appeared was in Pokémon Puzzle League for the Nintendo 64.
According to Climbing the Walls!, Ash's favorite move is Thunderbolt.
In BW001, announcer calls Ash 10 year old.[3].
Ash's Japanese name, Satoshi, comes from Satoshi Tajiri, the creator of Pokémon. Ash may be a shortening of Satoshi and his last name, Ketchum, may have come from the phrase "Gotta catch 'em all".[2]