Mad Theorists vs Hirofumi Yoshida: who would win?

Mad Theorists favored — Slight edge (~55%)

Mad Theorists · Five Nights at Freddy's · Base

Tier
HIGH 8-C
Attack Potency
Large Building Level
Speed
Relativistic
Durability
Large Building Level

Hirofumi Yoshida · Chainsaw Man · Base

Tier
HIGH 8-C, up to 8-A
Attack Potency
Large Building Level, up to Multi-City Block Level
Speed
High Hypersonic
Durability
Large Building Level

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