Rome is well known for its statues but, in particular, the talking statues of Rome. These are usually ancient statues which have become popular soapboxes for political and social discussion, and places for people to (often satirically) voice their opinions. There are two main talking statues: the Pasquino and the Marforio, yet there are four other noted ones: il Babuino, Madama Lucrezia, il Facchino and Abbot Luigi. Most of these statues are ancient Roman or classical, and most of them also depict mythical gods, ancient people or legendary figures; il Pasquino represents Menelaus, Abbot Luigi is an unknown Roman magistrate, il Babuino is supposed to be Silenus, Marforio represents Oceanus, Madama Lucrezia is a bust of Isis, and il Facchino is the only non-Roman statue, created in 1580, and not representing anyone in particular. They are often, due to their status, covered with placards or graffiti expressing political ideas and points of view. Other statues in the city, which are not related to the talking statues, include those of the Ponte Sant'Angelo, or several monuments scattered across the city, such as that to Giordano Bruno in the Campo de'Fiori.