That kid hassling the Joker must have more guts than brains, or.. wait, was that Hartley? The Pied Piper? Ralph suddenly felt a little bit better about this situation.

Seltzer bottle in hand, he goes low to the ground, his stretchable eyes and ears searching the place for this aforementioned bomb, while deftly weaving in and out around tables, chairs, and the occasional patron's leg.

If there was a bomb, he'd find it - eventually.