bugg horses

May I be forgiven that dreadful pun. Also, are they bugg horses? Giant tofubeasts? I forgot to ask.

Transcript :

Mrs Bugg is in the lead on her bugg horse, wearing multilayered racing goggles (sure, THAT I remembered to ask about) and wielding a whip, while Mr Bugg, in exactly the same outfit but clearly about to come in second, race for the finish line, while the victor’s wreath of roses waits in the winner’s circle.

The text reads: “Maybee 17, 1875: Aristedes wins the first Bugtucky Derby.”