S: Kratos, Raiden
A: Good Cole, Evil Cole, Dante, Drake, Sly
B: Parappa, Jak, Ratchet, Fat princess, Nariko
C: Toro, Sir Dan, Spike, Heihachi
D: Sweet tooth, Radec, Bigdaddy
Their answer in link
What a bad list.
Kratos is in no way, shape or form tier S. A on his best day.
Played 2v2 and FFA yesterday and never lost to any of the spamming Kratos players. He has potential, but most people, apart from the Black Belts, don't know how to use him.