Pegasus
A symbol is something which stand for a god or a person or similar. It is not the same thing as a well-known trait of somebody. Medusa was known to have snakes for hair. That does not make snakes symbols for Medusa. In this sense she does not have a symbol.
Pegasus is not commonly known as Medusa's symbol. Pegasus is supposedly Medusa's son by Poseidon but couldn't be born until Medusa died because of her changed appearance. When speaking of Medusa, people most commonly think of snakes because of her hair.
The most common symbol of Perseus, a hero from Greek mythology, is the severed head of Medusa as Perseus is credited with killing Medusa. There is also a constellation named after Perseus.
her head was her symbol with all the snakes on it
Her head she didn't use it but some gods did.
The spear is not a symbol of Athena. Her symbols are, an owl for wisdom, an aegis (small shield) with showing the snaky head of Medusa, and an olive branch.
Poseidon was Medusa's boyfriend and they were hanging out in Athena's temple. Then Athena turned Medusa into Medusa.
Medusa had no children.
apollo, for medicine and the symbol for medicine has two snakes on the staff. also medusa, with snakes instead of hair
No, Rhea was not Medusa. Rhea was a Titan. Medusa was a Gorgon.
Medusa did not have one.