The Traveler (Star Trek) vs Theodore: who would win?

Theodore favored — Slight edge (~55%)

The Traveler (Star Trek) · Star Trek · Base

Tier

LOW 1-C, up to 1-B

Attack Potency

Low Complex Multiverse Level, up to Hyperverse Level

Speed

Massively Ftl+, up to Immeasurable

Durability

Low Complex Multiverse Level, up to Hyperverse Level

Theodore · Megami Tensei · Base

Tier

LOW 1-C

Attack Potency

Low Complex Multiverse Level

Speed

Immeasurable

Durability

Low Complex Multiverse Level

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