Who wins?
Speed-o'-Sound Sonic vs Tatsumaki
Tatsumaki wins 67% to 33%. 23 more put them in the same row. From One Punch Man Characters Tier List. Pick a side.
throwaway1336 on Speed-o'-Sound Sonic: the crotch punch on the first meeting is anime history
sam.n4 on Tatsumaki: the fight against Psykos in the Monster Association arc is insane
One Punch Man Characters Tier List: the full ranking