Prinz vs Mozgus: who would win?

Mozgus favored — Slight edge (~55%)

Prinz · Chainsaw Man · Base

Tier
8-A
Attack Potency
Multi-City Block Level
Speed
Athletic Human
Durability
Multi-City Block Level

Mozgus · Berserk · Base

Tier
8-A
Attack Potency
Multi-City Block Level
Speed
Hypersonic
Durability
Multi-City Block Level

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