Ice Cap vs Twisted Freddy: who would win?

Twisted Freddy favored — Slight edge (~55%)

Ice Cap · Undertale · Base

Tier

9-A

Attack Potency

Small Building Level

Speed

Immobile, up to Supersonic+

Durability

Small Building Level

Twisted Freddy · Five Nights at Freddy's · Base

Tier

9-A

Attack Potency

Small Building Level

Speed

Superhuman

Durability

Small Building Level

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