Countless? I think you exaggerating the term countless. Runyon was one of the leading F4F "Aces", credited with shooting down 8 Japanese aircraft while flying "Wildcats". ...
Top wildcat aces:
Top USMC and USN Wildcat Aces Kills Medals Squadron Plane
Joseph Foss 26.0 MH VMF-121 F4F
John L. Smith
19.0
MH VMF-223 F4F
Marion E. Carl
18.5
NC VMF-223 F4F
James E. Swett 15.5 MH VMF-221 F4F
F4U
Lt. Elbert McCuskey (USN) 13.5 NC VF-3/VF-42/VF-8 F4F/F6F
Robert E. Galer 13.0 MH VMF-224 F4F
William P. Marontate 13.0 - VMF-121 F4F
Kenneth D. Frazier 12.5 - VMF-223 F4F
Loren D. Everton 12.0 - VMF-212 F4F
Harold W. Bauer 11.0 MH VMF-212 F4F
Jefferson DeBlanc 9.0 MH VMF-112 F4F
Stanley W. "Swede" Vejtasa (USN) 10.3 NC VF-10 F4F
Whitey Feightner (USN) 9.0 - VF-10/VF-8 F4F/F6F
Ralph E. Elliott (USN) 9.0 - VC-27 FM-2
Edward "Butch" O'Hare (USN) 7.0 MH VF-3 F4F