I give all my trained Pokemon nicknames, XD. I like to give them names from other languages, usually Japanese or German for some reason, but I have names from all over. The ones that don't have names have been traded and thus I can't:
Venusaur-Minako
Charizard-Bellyzard
Blastoise-ShellShockr
Butterfree-Cotton
Beedrill-Stingly
Raticate-Thor
Raichu-RAICHU
Venomoth-Toxikka
Dugtrio-Ichinison
Primeape-Chouji
Poliwrath-Gamabunta
Alakazam-Billy
Tentacruel-Jellie
Rapidash-Hidalgo
Muk-America
Gengar-Big Boo
Kingler-Zoidberg
Exeggutor-Eggy
Marowak-Bonehead
Hitmonlee-Rock Lee
Weezing-Smogon
Kangaskhan-Khanroo
Starmie-Proximus
Mr. Mime-Claude
Jynx-Rajura
Tauros-Blueno
Gyarados-Menace
Jolteon-Sparky
Flareon-Amaterasu
Kabutops-Zangenklau
Aerodactyl-Slifer
Snorlax-Tubby
Dragonite-IceBeamH8r
Typhlosion-Pyrous
Feraligatr-Dundee
Furret-Krazy
Crobat-Kurobatto
Lanturn-Nimrod
Xatu-Twilight
Ampharos-Makoto
Espeon-Artemis
Umbreon-Luna
Unown-Lucky
Wobbuffet-LOL I UBER
Forretress-FORRETRESS
Steelix-Diamondz
Granbull-Ino
Qwilfish-Ubelia
Scizor-Mantissia
Heracross-Hirschkafr
Mantine-Shelby
Skarmory-Sehryzbra
Houndoom-Diablo
Kingdra-Poseidon
Donphan-Ganesha
Blissey-BLISSEY
Tyranitar-Godzilla
Blaziken-Flameira
Mightyena-Daemon
Linoone-LINOONE
Beautifly-Baboochka
Ludicolo-ButtShaker
Gardevoir-Sensitivo
Breloom-Bello
Slaking-Landuozhu
Ninjask-Jazz
Exploud-LoudMouth
Hariyama-HARIYAMA
Aggron-Dodonga
Sharpedo-Jaws
Wailord-Behemoth
Flygon-Erdrache
Seviper-Kaa
Claydol-Spinner
Milotic-Venetio
Absol-Serenity
Relicanth-Coelio
Luvdisc-n00b ki11r
Salamence-Kaschei
Metagross-Kalkulai
Torterra-Europe
Infernape-Kong
Empoleon-Dedede
Staraptor-Tibarn
Roserade-Thornbutt
Rampardos-Velocir
Mothim-Garmeil
Vespiquen-Hornisse
Pachirisu-PachiPachi
Floatzel-Neptune
Ambipom-Ukkiki
Drifblim-Booster
Mismagius-Lil Miss
Honchkrow-Carleton
Skuntank-Stinky
Bronzong-Copper
Spiritomb-Banshee
Garchomp-Kurthnaga
Lucario-Kuchiki
Hippowdon-Grocery
Drapion-Manticore
Toxicroak-Sapolando
Abomasnow-Yukinooh
Weavile-Mordred
Magnezone-Enterprise
Lickilicky-Wrecko
Rhyperior-Brute
Tangrowth-Zetsu
Electivire-Knuckles
Magmortar-HellBoy
Togekiss-Farore
Yanmega-Yanmanator
Leafeon-Bonzakura
Glaceon-Hyorinmaru
Gliscor-Aximili
Mamoswine-Iqaluit
PorygonZ-Virtuo
Gallade-Shikamaru
Dusknoir-Shinigami
Froslass-Anastasia
I cannot believe I actually finished that list. Boy, I must be bored right now. XD