Taylor quotes a description of a monster, exhibited in London, with two distinct penises, but with only one distinct testicle on either side.

He could exercise the function of either organ.
Schenck, Schurig, Bartholinus, Loder, and Ollsner report instances of diphallic terata; the latter case a was in a soldier of Charles VI, twenty-two years old, who applied to the surgeon for a bubonic affection, and who declared that he passed urine from the orifice of the left glans and also said that he was incapable of true coitus.
Valentini mentions an instance in a boy of four, in which the two penises were superimposed.

Bucchettoni speaks of a man with two penises placed side by side.

There was an anonymous case described of a man of ninety-three with a penis which was for more than half its length divided into two distinct members, the right being somewhat larger than the left.

From the middle of the penis up to the symphysis only the lower wall of the urethra was split.