Ninja
The shinobi tradition incorporated eighteen distinct disciplines, ranging from disguise and impersonation to meteorological prediction and pharmacological knowledge. This comprehensive training enabled ninjas to adapt to virtually any operational context, becoming merchants, monks, or entertainers as mission requirements dictated.
The ninja's adaptability extended to technological adoption, readily incorporating new weapons and methods as they became available. This flexibility contributed significantly to shinobi survival across centuries of political upheaval.
Spongebob
SpongeBob's porous physiology enables remarkable physical adaptability, with documented instances of surviving complete dehydration, extreme pressure changes, and repeated physical trauma. His body has demonstrated the ability to assume virtually any configuration, absorbing impacts that would destroy less absorbent organisms.
However, SpongeBob's psychological adaptability remains limited. His fundamental character has displayed minimal development across quarter-century of programming, suggesting an entity incapable of meaningful growth or change. He remains perpetually the same optimistic sponge, regardless of accumulated experience.