These are the names you use for different members whos names can reasonably be shorted. I'll update the list as I see fit. If you don't agree, smurf you.
Neocracker – cracker or CC, Corny, Cornydog
Agent Proto – Proto, proots, Protato
Ashley Shovits – Ashley
Del Snizz – Snizz (He's Del if your an old crusty person)
Del Murder - Del
Diango12 – Diango
Erdrick Holmes – Holmes or Joel
I took the Red Pill – Pill
Nominus Experse – Nominus
Omni Legacy – Omni
Psychotic – Psy
Roto13 – Roto
TrowabartonIV^_^ - Bert
Tsukasa – Tsu
Vincent, Thunder God – Vincent
Yamaneko – Yams
Fire_of_Avalon – foa
Ultima Shadow – Shads
The Crystal – Crystal
Ace14 – Ace
Poetically Pathetic – PP
Del Snizz – Snizz
Citzen Bleys – Bleys
Dr Unne – Unne
Spatvark – Spatty
Nakor theBlue Rider – Nakor
Primer inter Primus – PiP (Not that he’s here anymore, but that’s irrelevant)
Maxx Power - Maxx
nik0tine - nik
Kawai Ryukishi - Kishi
Jowy – Snuggle Bear
Travobel - TVB
Avarice-ness - Ava
Lunarweaver - Lunar
Iri Valentine - Iri
41_inches_wide - 41 inches
Wolf Kanno - Wolf
Arc_master_14 - Arc
outlawstarwind - outlaw
Renimiri - Ren
No.78 - 78
Quin n' Tonic - Quin
Behold the Void - Void or BtV
I'm My Own Milf - MILF, Milfy, Hux
The Summoner of Leviathan - TSoL
Rye - Jess, Strumpet, Whelp, Dwarf Princess
Raistlin - Raist, Wes, Weasley
Yeargdribble - Yearg
Lady of the Sheep - LotS
Sergeant Hartman - Hartman
Old Manus - Manus
Shlupquack - Shlup, Quack, Sexyqueenofcuppycakes
Flying Mullet - Mullet
The Fonz - Fonz
Starlightangel - Starlight