Nut vs Hooleer: who would win?

Hooleer 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

Hooleer · Bleach · Base

Tier

HIGH 6-A, up to 4-A

Attack Potency

Multi-Continent Level, up to Multi-Solar System Level

Speed

Unknown

Durability

Unknown

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