| Cyrus Manley|
|Relatives||Children: one unnamed|
|First Appearance||"Diatribe of a Mad Housewife"|
|Voiced By||Harry Shearer|
Mordecai finds out their relationship and corners Cyrus on top of a cliff. When he learns that Cyrus is the father of Temperance's child, he throws his harpoon on him. Cyrus falls down on a whale, but the harpoon's rope becomes wrapped around Mordecai's leg, dragging him under the sea to die with his enemy.