These are among the first bunch I made. These are from 2006 and 2007.
Quilava (Pokemon Gold/Silver/Crystal)
Dugtrio (Pokemon Red/Blue/Yellow)
Jolteon (Pokemon Red/Blue/Yellow)
Sneasel (Pokemon Gold/Silver/Crystal): v1 - v2 - v2.01
Eevee (Pokemon Red/Blue/Yellow): v1 - v2
Raichu (Pokemon Red/Blue/Yellow)
Togetic (Pokemon Gold/Silver/Crystal)
t0ms0nic Take 1 (Gift)
Celebi (Pokemon Gold/Silver/Crystal)
These are from 2008. Around this time, I started using the GIMP.
Darknai (Pokemon Diamond/Pearl/Platitum)
Iris (Phoenix Wright: Trials and Tribulations) (version 2 lost FOREVER)
Torchic (Pokemon Ruby/Sapphire/Emerald)
Megaman.exe (Megaman Battle Network)
Ciel (Megaman Zero) (TERRIBLE)
Don Patch (Bobobo-bo-bo-bobo...?)
Flareon (Pokemon Red/Blue/Yellow)
MetalGreymon (Digimon Adventure)
WarGarurumon (Digimon Adventure)
Exveemon (Digimon Adventure 02)
t0ms0nic Take 4 (Gift)
Sanjen (Cylent Nile) (Gift) (hard on the eyes)
May (Pokemon Advance) (Request, maybe?)
These are ones I've done in 2009.
Lucas (MOTHER 3): v1 - v2 - v3
Harima Kenji (School Rumble): v1 - v2 - v3
Princess Peach Toadstool(?) (Mario Bros): v1 - v2 - v3
Sakagami Tomoyo (CLANNAD): v1 - v2 - v3
Phoenix Wright (Phoenix Wright: Ace Attorney): v1 - v2 - v3
Anise Tatlin (Tales of the Abyss): v1 - v2 - v3
Aisaka Taiga (Toradora!) v1 - v2 - v3
Tsukamoto Tenma (School Rumble)
Legretta (Tales of the Abyss): v1 - v2
Genis (Tales of Symphonia) (Contest entry)
Luke Fon Fabre (Tales of the Abyss)
Red (Pokemon Red/Blue/Yellow; Pokemon Special)
Christian (ECW - WWE(?)) (Request)
Mithos (Tales of Symphonia) (Request)
Wargreymon (Digimon: Digital Monsters)
Kirby (Kirby in Dreamland (?))
Reid Hershel (Tales of Eternia)
Collete Brunel (Tales of Symphonia)
Presea Combatir (?) (Tales of Symphonia)
Cless Alvein (Tales of Phantasia)
Leon (Lion) Magnus (Tales of Destiny)
Kyle Dunamis (Tales of Destiny 2)
Senel Coolidge (Tales of Legendia)
Newest:

Richter Abend (Tales of Symphonia 2: Dawn of the New World)

Chester Barklight (Tales of Phantasia)