Ganon (Animated Series) vs William Afton (Book Trilogy): who would win?

Ganon (Animated Series) favored — Slight edge (~55%)

Ganon (Animated Series) · The Legend of Zelda · Base

Tier

9-B, up to 8-C

Attack Potency

Building Level+

Speed

Subsonic+, up to Supersonic

Durability

Wall Level

William Afton (Book Trilogy) · Five Nights at Freddy's · Post-Springlocked

Tier

9-A

Attack Potency

Athlete Level, up to Small Building Level

Speed

Superhuman

Durability

Small Building Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.