Yamato laughs, rubbing his knuckles against the top of Cisco's head. "If I hear about a mysterious midget street racer who's beating all comers in Central City, I'll know whose autograph to get."

He does release Cisco after a few moments, though, or at the very least he loosens his grip enough for Cisco to slip free.

"You forfeited your right to call anyone nuts," Yamato says to Barry, wryly, "when you ran at supersonic speeds towards solid metal."

Yamato has obviously never done anything risky in his life. That is why they call him 'the Safetymonger.'