Dexter's Laboratory ... July 13~15, 1998

Cow and Chicken ... July 16, 1998

Second set via UK site ... April 30~May 4, 1999

The Flintstones ... July 27, 1998

Scooby-Doo ... September 9~12, 1998

The Powerpuff Girls ... November 4, 1998

B Happy ... February 8, 1999

Pink Donkey and the Fly ... February 8, 1999

Jonny Quest ... March 21, 1999

Top Cat ... April 9, 1999

Ed, Edd n Eddy ... April 13, 1999

The Jetsons ... April 29, 1999

Yogi Bear ... May 3-4, 1999

Tex Avery ... May 24, 1999

Toonami ... March 31~June 7, 2000

Toonami: Blue Falcon ... June 7, 2000

NiGHTS ... August 29~September 5, 1996
Downloadable desktop theme from sega.com

Sonic & Knuckles Collection ... December 24, 1996
Bonus icons included on the CD-ROM.

Sonic Battle ... October 20, 2003
Downloadables from the official Japanese website.

Soulcalibur ... July 11, 1998~February 17, 1999
Desktop themes via namcoarcade.com

Tekken Tag Tournament ... September 25~27, 1999
Desktop theme via namcoarcade.com

Seinfeld ... May 8~10, 1998
Downloadables from the official website.
Jerry's all fucked up but he's in there.

Garfield ... July 10~12, 2000
Downloadables from the official website.