Yes, it is the superlative of fast
No the word fastest is not a noun. It is an adjective.
He is in cartoonsNo-one can travel at the speed of sound apart from SonicIn his word he probably is, in the real word he's not but if it has to be alive then yeah he is
"Fastest" is the superlative of "fast."
Ichiban hayai
Christiano Ronaldo
The cheetah.
faster, fastestfaster, fastest
Hitler the real answer is my mom
First
fastest
Investing in real estate
Mclaren F1 GTR