Bandana Waddle Dee vs Sunflower: who would win?

Bandana Waddle Dee favored — Slight edge (~55%)

Bandana Waddle Dee · Kirby · Pre-Star Allies

Tier

2-C

Attack Potency

Low Multiverse Level

Speed

Relativistic+, up to Massively Ftl+

Durability

Low Multiverse Level

Sunflower · Plants vs. Zombies · Garden Warfare - Battle for Neighborville

Tier

2-C

Attack Potency

Low Multiverse Level

Speed

Massively Hypersonic, up to Speed Of Light

Durability

Low Multiverse Level

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