Just names.

[Tinner]

Calvin Broadfoot aka Snoop Doggie Frodo - Gnome Hip-Hop Bard
Snow (now known as Baron Snow) - Human Wizard
Osamu Watanabe, Lawful Neutral Priest of Competition and Good Sportsmanship - Human Cleric

 

[Beale Knight]

Ren d'Hayson

Isadrielas "Zed" Telinfaiy

Lexington Cornelias

 

[Ao the Overkitty]

Seth Lochmar
Priss
Armand

 

[haiiro]

Capt. Aaron Decker, leader of SG-4 (Stargate)
Sax, a dwarven cleric of no particular deity (Greyhawk)
Make It Stop, half-orc fighter & my first 3e PC (Greyhawk)

I DM much more often than I play, so Sax and Make are both from about 4-5 years ago! I also limited it to d20 games, because although I had PCs for Twilight 2000 and Pendragon in that time period, I can't remember their names.

 

[Ferret]

Rojin (Aasimar Monk/paladin cross)

Torben Yonwey (Gnome ranger)

Storn (Dwarf paladin)

 

[Baron Opal]

Malachite of the Scale

Kilkannon Briar

Sir Gwydion Frost

 

[Knight Otu]

Sel'Tarien
(Ashardalon - in a large scale strategy in-character game/IR)
1st Lt. Jerrell West
Flawed

 

[Hammerhead]

Rann Hilltopper
Sato Kast
Marius Kol

 

[Herremann the Wise]

I'll give you my last handful:

Arrias Torm - Tarmak Fighter / Cavalier {Dragonlance}
Lucifus Cray - Human Conjurer / Alienist {Beltratia Homebrew}
Sir Barden Pavanne - Paladin {Forgotten Realms}
Onthallis d'Orien - Human Aristocrat / Paladin / Dragonmark Heir {Eberron}
Arrek the Magnificent - Dwarf Fighter {Dwarvenhelm Homebrew}

Best Regards
Herremann the Wise

 

[Richards]

Cyrus Halfbeard
Veridian
Kane

(I DM, so those were the last NPCs that joined the PC party on a semi-permanent basis.)

Johnathan