Nut vs Speed-o'-Sound Sonic: who would win?

Nut favored — Slight edge (~55%)

Nut · Percy Jackson · Base

Tier

6-A, up to HIGH 6-A

Attack Potency

Continent Level, up to Multi-Continent Level

Speed

Nigh-Omnipresent

Durability

Continent Level, up to Multi-Continent Level

Speed-o'-Sound Sonic · One-Punch Man · Ninja Arc

Tier

6-A

Attack Potency

Continent Level, up to Continent Level+

Speed

Ftl+

Durability

Continent Level, up to Continent Level+

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