If I had a science fiction-related username, it would be...

And still another!

Takashi Kurita
Kal Radick
Minobu Tetsuhara
Anastasius Focht
Justin Xiang Allard
“Stormin’” Michael Searcy
Archer Christifori
Sun Tzu Liao
Galen Cox (or Jerrard Cranston if you prefer)
Aidan Pryde
Ryan Steiner
Felix Blucher
and of course… Jerome Blake (“Blake’s Blood!”)

Hedonism Bot

Tenzil Kem
Duck Dodgers!
Buoult, The Masked Thenannin

Captain Mal Reynolds
Kyle Reese
Dr Durand Durand

Philip J. Fry

Spoo Farmer
Prostetnic Vogon Jeltz
Mr. L. Prosser

If Lovecraft is permissible:

Wilbur Whately
Charles Dexter Ward
The Evil Clergyman
Azathoth
Dagon
Nyarlathotep
Shub-Niggurath, Black Goat of the Woods With a Thousand Young
Herbert West, Re-Animator
Arthur Jermyn
Doctor Henry Armitage
Abdul Alhazred
Randolph Carter
You fool, Warren is DEAD!
Robert Blake, repeat, Blake, not Bloch, wink-wink, nudge-nudge
Richard Upton Pickman
Pickman’s Model
The Outsider
The Unnameable
The Doom that Came to Sarnath
Bokrug the Detestable Water-Lizard
Obed Marsh
Zadok
Miskatonic Mascot
Arkham Inmate
Doctor Munoz
The Fun Guy from Yuggoth
Delapore
'Sblood, thou stinkard, I’ll learn ye how to gust!
Hast-- err, that is, He Who Must Not Be NamAAAAIIIIIIGGGGHHH!

We used to have DreadCthulhu, but It got banned for some reason . . . no doubt for some reason eldritch and blasphemous, a horror of elder night barely conceivable to the puny mind of man . . .

. . . of Zombie Threads Until the Mods Catch On

Spaceman Spiff

Best heroic grimace in the biz.

Medron Linn
Or maybe Czinczar, which, I feel, is wonderfully cacophonic.

Hoban.

**Chuck Rothman
Bug Jack Barron
Louis Wu
The Fourth Doctor
Solarite
Patternmaster
It Came From Schenectady

**

Oh, probably some Heinlein character.

Khadaji.

Source or derivation, if you please.

I am going to guess it is the Steve Perry Hero/Anti-Hero Emile Khadaji “the Man who Never Missed”. Here is the Wiki article on the book.

Merry Christmas Elendil,
Jim

The King in Yellow
Hildreth Castaigne
The Repairer of Reputations
An Inhabitant of Carcosa
Hali Jali Hasturmas
Have You Seen the Yellow Sign?

(Too obscure?)

Alacrity Fitzhugh
Marc DuQuesne
Rabban
Red Dorakeen
**Gavilan Robie **

a favorite from my childhood:

Perry Rhodan

Elendil’s Heir, you’ve been starting some very entertaining threads lately, thanks!

That’s Kettle Belly Baldwin, one of my own favorites.

But there’s always John Ezra Dahlquist.