Religion: not determined yet
Name: Professor Vincent Yatz
Other Names: Dr. Yatz; Professor Yatz; Vincent Yatz
Classification:
supporting character
scientist
Publisher(s): 
First Appearance: Showcase #73 (Mar.-Apr. 1968): "The Coming of the Creeper"
Creators: Don Seagall, Steve Ditko
Number of Appearances: 3
Occupation: scientist
Gender: male
Note: made serum that turned Jack Ryder into Creeper
The Flash (vol. 1) #319 (Mar. 1983): "Turnabout Is Deadly Play!" (cameo)Showcase #73 (Mar.-Apr. 1968): "The Coming of the Creeper"World's Finest Comics (vol. 1) #250 (Apr.-May 1978): "Return of the Past" (cameo)
Suggested links for further research about this character:
- http://dc.wikia.com/wiki/Vincent_Yatz_(New_Earth)
- http://darkmark6.tripod.com/creeperind.html
- http://everything2.com/index.pl?node_id=1223600&displaytype=printable&lastnode_id=0
- http://dc.wikia.com/wiki/Showcase_Vol_1_73
- http://comicbookdb.com/issue.php?ID=6398
- https://www.comics.org/issue/21708/