He doesn't like to assume but he figures he's talking about the Lion. Or he would've responded with some skepticism on the matter. He wants to know who named the thing first off and what a lion can actually do other than use its nose.

That is until teenager and his brother run off after the now moving lion and with a hard stare he'll watch Joker run right off after them. He sighs heavily and then takes a deep breath of the cigarette, inviting the sweet poison into his lungs. Joker was going to kill him at this rate.

He doesn't bother to gesture to the others before running after Joker, "Take your advice for once!"