Supermarine based it design for the Spitfire fighter plane on its earlier seaplane racer which competed for the Schneider Trophy before the war. [On the Axis side, the Macci Folgore was also based on their Schneider entry, but I am presuming the question is about the famous Allied fighter plane.]
The P51 mustang was a famous fighter used by the allies in World War Two.
Who is to say what is the "world's best fighter plane" - there are many criteria to judge this by.
SPAD was a French fighter plane in WW1. The Spitfire was a WWII fighter plane.
The SR 71 Blackbird is the fastest plane in the world
MiG-25
Eurofighter Typhoon
The lightest palne was a dog plane
Russia is having the fastest fighter plane in the whole world
A fighter plane used in World War II
A British fighter plane used during World War 2
Zero, a Japanese fighter plane.
A Spitfire was a British fighter plane during World War 2 and a Messerschmitt was a German fighter.