Prince of Cannock vs Chocobo: who would win?

Too close to call

Prince of Cannock · Dragon Quest · Base

Tier
HIGH 6-A
Attack Potency
Multi-Continent Level
Speed
Massively Hypersonic+
Durability
Multi-Continent Level

Chocobo · Final Fantasy · Base

Tier
HIGH 6-A
Attack Potency
Multi-Continent Level
Speed
Massively Hypersonic, up to Sub-Relativistic
Durability
Multi-Continent Level

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