The person below me has never...

no, but I didn't know you were into the Trivia!
has never eaten a cherry. *morphs into scolding mother* YOU SHOULD EAT ONE RIGHT NOW, YOU NAUGHTYPANTS!

True again

the person below me has never........tried to hack

false i have but failed.

the person below me has never had a shiny piplup.

right, I never
Person below me has never delete their beloved data

false i have.

the person below me has never beaten the elite four without having at least one pokemon faint.

False, piece of cake with lv 100 Charizard on LG.
Has never owned a lvl 100 Sinnoh Starter on Platinium (not that I have it)

*pops outta random nowhere*
ooooohhhhh...fuuuunn...mind if I join?
True, I don't have Platinum yet, but I did "transport" my level 100 Charizard from FR to my Pearl.
The person below me has never seen a wild shiny pikachu.

False.

The person below me has never ended a Pokemon battle in a draw.

If you mean draw; as in both pokemon faint, then false.

The person below me has evolved his/her shiny feebas into a shiny milotic.

What shiny feebas? ;_;

The person posting below me has never caught a lanturn in R/B/Y >=)

You're kidding right? True, I haven't, [not that it's possible xD]. (Guess can't go against this since there's nothing in the rules about it...) I do have a beloved Lanturn in Sapphire, if that makes it any better...xD You know I'm just being humorous, right?....

The person below me has never bred an eevee at least 5 times.

False, and I have several young Eevee to prove it.

The person below me has never encountered a Shiny Legendary.

True; I never breed Pokemon. I'm too lazy. DX

The person below has never beat the Elite 4 in any game at least twice.

Lil' bit late...xD
Eh...True, I've never had that kinda luck
False, I've beaten the Kanto elite four in FR, 6 times.
Right...

The person below me...has been into Pokemon for at least...5 years.

If I remember correctly, false.

The person below me has never given a fire type the nickname blaze, flare, ect.

wrong, I nicknamed my Flareon Flare after the fire fairy in Panel de Pon.
The person below me loves rough housing.

I do, but I almost never actually do it.

The person who shall post after I have posted and before anyone else posts after I have posted has never completed the Sinnoh pokedex.

What the jigglypuffz? I really don't know the answer to that... O-o

Uh...all of the above? Mmmmff...

The person below only likes antagonists from Pokemon.

The games or the anime? I think the anime suckz, but in the games I prefer the antagonists because they have much more dialog and the grunts can have funny lines sometimes.
Edit: After seeing ur signature I remembered the manga, in which case I prefer the protagonists.

The person who shall post after I have posted and before anyone else posts after I have posted (the person who posts after I do) has never used anything besides letters in a nickname for their pokemon.

I'm kinda scared to answer this one...
Eh...False? I remember nicknaming my Eevee in my Pearl after my Eevee in FR, Farai2...(no questions, please)

The person below has fangirled/obsessed over a Pokemon Special character before.