World Championship Wrestling has always had the greatest Cruiserweight wrestling roster in the world. Below is a list of all of their greatest cruiserweights of all-time (in no particular order):

WCW All-Time Legendary Cruiserweights:

• Billy Kidman
• Chavo Guerrero, Jr.
• Chris Jericho
• Dean Malenko
• Eddy Guerrero
• Juventud Guerrera
• Psychosis
• Rey Mysterio, Jr. (without a doubt, WCW's all-time greatest Cruiserweight)
• Syxx (a.k.a. X-Pac in the WWF)
• Ultimo Dragon

Other Top WCW Cruiserweights Over the Years:

• Alex Wright
• Blitzkrieg
• Brad Armstrong
• Cicolope
• Disco Inferno
• The Great Muta
• Konnan
• Jushin Thunder Lyger
• La Parka
• Lenny Lane
• Lizmark Jr.
• Shinjiro Ohtani
• Super Calo
• Yuji Nagata

Other Past Cruiserweights (just some other veterans who have competed in WCW's Cruiserweight Division):

• Chris Benoit
• El Dandy
• Damien
• Hector Garza
• Lash Leroux
• Lodi
• Madusa
• Marty Jannetty
• Masahiro Chono
• Mike Enos
• Mr. J.L. (Jerry Lynn)
• Prince Iaukea
• Scotty Riggs
• Tokyo Magnum
• Villano IV
• Villano V

New Premier Cruiserweight Superstars:

• Devon Storm (a.k.a. Crowbar)
• "Prime-Time" Elix Skipper
• Kid Romeo
• Evan Karagias
• Kaz Hyashi
• "Above Average" Mark Sanders
• "Sugar" Shane Helms (The Hurricane)
• Shannon Moore

Other New Cruiserweight Superstars:

• Air Paris
• A.J. Styles
• Kid Romeo
• Kwee-Wee
• Jamie Knoble
• Jamie-Son
• Jason Jett (E.Z. Money of ECW)

Others (ones not fitting in any of the above categories):

• Chris Candido
• Johnny Swinger

When all of the names of the above list are combined, the total number of WCW cruiserweights is 43