In my humble opinion:
Classic - Sovereign
Shorty - Oni
Frenzy - Ion
Ghost - Reaver
Sheriff - Neo Frontier
Marshal - Neo Frontier
Outlaw - RGX
Operator - Reaver
Stinger - Prelude to Chaos
Spectre - Recon/BlastX
Bucky - Oni
Judge - Chronovoid
Ares - Singularity
Odin - BlastX
Phantom - Protocol 781-A / Recon
Vandal - Kuronami [Purple]
Melee - RGX karambit
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