Hey dude, we're going to speak about the nicknames !!

Clefable: Ebola
Ferrothorn: I've Flash fire
Keldeo: Rainbow Dash (ofc) / BW's Dash
Bisharp: Garry Kasparov / The King.
Chansey: Chiant Sey
Breloom: Bro' leem
Lati@s: Delta Airlines / Eon Airlines / Where's my flute
Mandibuzz, Talonflame & Zapdos: KFC
Mew: MewDiePie
Slowbro: Zenadark / Slow2seconds
Tyranitar: Where's ur god now / Godzilla
Togekiss & Jirachi: U Got dtm'd
Mega Diancie: Miss Minecraft
Greninja: Welcome to Ubers
Gliscor:  U Got Cancer'd
Gyarados: OMG A PEN*S !! / I'm just a karp /
Azumarill: Hug me bro' / Azubaril
Dragonite: PIMPNITE / Looks kind but no.
MChari Y: It's raining men
MChari X: I'm the X !!
Medicham: Jackie Cham
Tyrantrum: T-wrecks
Sharpedo: Gameshark
Giratina-o: Lost Soul / Kiss from Ubers / Greg says hi 2 U
Heatran: Primo Heatmor
Scizor: TF Countdown
Celebi: Fairy Peak!
Landorus: Land-o-lakes