Roy Thomas

Met comics legend Roy Thomas at DragonCon 2019...

 ...where he signed a number of books, many representing the first appearances of characters he created, such as... 

Iron Fist (1st appearance and origin, and 1st issue of solo title )

 

Ultron (1st appearance) and Valkyrie (1st appearance)

Squadron Sinister/Nighthawk (1st appearance) and Morbius the Living Vampire (origin/2nd app)

The All-Star Squadron (1st appearance and 1st issue of solo title)

He also wrote the origins of SHIELD and Dr. Mid-Nite...

George Perez

Legendary comics artist George Perez at DragonCon 2019, where he (along with writer and comics legend Marv Wolfman) signed issues 1, 7 (death of Supergirl) and 8 (death of the Flash) of "Crisis on Infinite Earths", which will be the week-long crossover for the super-hero shows on the CW this year.

He and Marv also signed my copy of The New Teen Titans #1 at Phoenix Comic-Con a few years ago...

 

Fabian Nicieza

Photo taken and New Mutants 98 (1st appearance of Deadpool, which Fabian Nicieza created) signed at DragonCon 2019

 

Matt Ryan

Plays the character John Constantine on the TV shows "DC's Legends of Tomorrow" and "Constantine"; signed at DragonCon 2019; Swamp Thing #37 is the first appearance of John Constantine in comics. Here he is signing my book...

Marc Singer and Jane Badler

Signed at DragonCon 2019; cast members of the TV show "V"

Lou Ferrigno

A copy of "The Incredible Hulk" #102 signed at DragonCon 2019