Spring Mimicry – The character can take on the form and/or characteristics of a spring. Spring Mimicry is also known as Spring Conversion, Spring Form, Spring Mimicry and Spring Transformation.
Literary Critique of Spring Mimicry
Dynomutt (Hanna Barbera) can turn his tail into a spring (Dynomutt V1 #1, Marvel).
The Impossibles (Hanna-Barbera) have as one of their members Coilman.
Spring Man (Mega Man)
WereVerse Universe Baby!
Foxhugh Superpowers List 