Grimaldi's Game of Leapfrog...
Joseph Grimaldi (the original Joey the Clown!) in Harlequin & Padmanaba, or the Golden Fish, a pantomime produced at Covent Garden at Christmas 1811. The frog, played by an actor in a frogskin, later appeared in an opera hat & other then-fashionable accessories.
Leapfrogging forward in time...
via Pierrot, another character makes an appearance:
(Original Line drawing by Marcel Marceau)
Metaphorical 'frog', marvellous Frenchman Marcel Marceau
as 'BIP'
son coeur en silence...
Now, as you stroll nonchalantly along the boulevard, under the lamplight, someone much noisier is about to waylay you....