The cyclist we can identify.
His pilion rider remains a mystery.
Derek Ryan writes:
I was at the street performers festival in Merrion Sq [Dublin] yesterday, During, Mario Queen of The Circus act, he enlisted the help of a member of the public, someone called Amy (above). The act was fantastic, really entertaining and funny, helped by the involvement of Amy. I have some photographs of the performance if Amy would like copies of them [see here]