Durability
Penguin Wins
Penguin
The emperor penguin represents one of evolution's most remarkable achievements in biological resilience. These creatures withstand temperatures plummeting to minus sixty degrees Celsius whilst simultaneously fasting for up to one hundred and fifteen days during incubation periods. Their layered feather system provides waterproofing and insulation that no synthetic material has successfully replicated. The species has persisted through multiple ice ages and climatic shifts spanning millions of years, adapting their physiology to conditions that would prove instantly fatal to most vertebrates. Their bones have evolved to be solid rather than hollow, enabling deep diving whilst resisting crushing pressure.
Thanos
The Titan possesses exceptional physical constitution, capable of withstanding direct confrontation with beings of extraordinary power including Thor's Stormbreaker embedded in his chest. His hide demonstrates resistance to conventional weaponry, and his regenerative capabilities allow recovery from injuries that would destroy lesser organisms. However, this durability ultimately proved insufficient, as Thanos was demonstrably destroyed on two separate occasions within a five-year period. His reliance upon the Infinity Stones for ultimate power suggests an inherent limitation in his natural durability, requiring external augmentation to achieve his objectives.
VERDICT
Sixty million years of continuous species survival outweighs individual combat resilience ending in extinction.