Nicknames, some very easy, others harder.

[beenKOed]

Give us the names of the fighters they belong to.
Six Heads--Andrew Lewis
Thunder--A. Gatti
Baby--J. Mesi
Beast from the East--Valuev
The Executioner--Hopkins
Big--George Foreman
No Dice--Bobby Chacon
Butterbean--E. Esch
The Ding-a-Ling Man--Darnell Wilson

Touch of Sleep--Davarryl Williamson
El Terrible--E. Morales
Real Deal--Holyfield
Bigfoot--Everett Martin
Explosive Thin Man--A. Arguello
Ferocious--Fernando Vargas
Gentleman--Jim Corbett
Hands of Stone--Duran
Macho--Camacho
Homicide--Henry Armstrong
The Blade--Iran Barkley
Irish--M. Ward
Iron--Tyson
Bonecrusher--James Smith
Hard Rock--J. Green
Lights Out--Toney
Quick--J. Tallis
Left Hook--Lacy
Wimpy--Jerry Halstead
The Beast--Mugabi
Montequilla--Jose Napoles
The Hispanic Causing Panic--Juan Lazcano
Mount--Lance Whitaker
Too Sharp--Mark Johnson
Marvelous--Hagler
Merciless--R. Mercer
Dynamite--Michael Dokes
Second to--M. Nunn
The Body Scatcher--Mike McCallum
Blood--Mitch Green
Give 'em Hell--O'neil Bell
What the Heck--Owen Beck
Prince--Naseem Hamed

More to come after these.

[Master]

Six Heads Lewis
Baby Jake Matlada
Beast from the East - Valuev
The Executioner - Hopkins
Big - Daddy Bowe
El Terrible - Eric Morales
Real Deal - Holyfield!
Bigfoot Everett Martin?
Explosive Thin Man - welterweight that foguht Honeyghan not Breland?
Ferocious - Fernando Vargas
Gentleman Jim Corbett
Hands of Stone - Duran
Macho - Man Camacho
Homicide Hank - Armstrong
The Blade - Barclay
Irish Micky Ward et al
Iron Mike Tyson
Bonecrusher Smith
Lights Out James Toney
The Beast Mugabi
Too Sharp Johnson
Marvelous Marvin Hagler
Merciless Ray Mercer
Second to Micael Nunn
The Body Scatcher Mike McCallum
What the Heck - Beck
Prince Naseem

[ElTerribleMorales]

Six Heads: Lewis
Thunder: Gatti
Baby
Beast from the East: Valuev
The Executioner: Bernard Hopkins
Big : George Foreman
No Dice: Bobby Chacon
Butterbean: Eric Esche (spelling?)
The Ding-a-Ling Man: Darnell Wilson
Touch of Sleep: DaVarryl Williamson (boring as fuck)
El Terrible : Morales
Real Deal : Holyfield
Bigfoot
Explosive Thin Man: El Flaco Explosivo Alexis Arguello
Ferocious: Fernando Vargas
Gentleman
Hands of Stone: Manos De Piedra Roberto Duran
Macho: Camacho
Homicide Hank: also Hammerin Hank, Henry Armstrong
The Blade: Iran Barkley
Irish: Mickey Ward
Iron: Mike Tyson
Bonecrusher: Smith
Hard Rock
Lights Out: Toney
Quick
Left Hook: Lacey
Wimpy
The Beast: Mugabi
Mantequilla
The Hidpanic Cause Panic: Lazcano
Mount
Too Sharp: Mark Johnson
Marvelous : Marvin Hagler
Merciless : Mercer
Dynamite
Second to: Michael Nunn
The Body Snatcher
Blood
Give 'em Hell
What the Heck: Owen Beck
Prince: Naseem Hamed

[beenKOed]

Both of you did great. Much better than I would have, for sure! Check it out.

[boxing prospect]

Don't suppose you want to do some more?

[Master]

There are some we have missed.

[ElTerribleMorales]

Pretty Boy
The Ghost
The Ghost
El Temible
Carita
Bazooka
El Radar
El Matador
The Greatest
The Tiger
Bad

[jon09]

Pretty Boy Mayweather
The Ghost Pavlik
The Ghost Guerrero
El Temible Morales
Carita
Bazooka Quartey
El Radar
El Matador Mayorga
The Greatest Ali
The Tiger Tony Lopez
Bad Dawson

Not sure on rest

[jon09]

Sweet Pea
Winky
Mi Vida Loca
Atlantic City Express
Flushing Flash
Armed and Dangerous