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