Which emperor is rumored to have "fiddled while Rome burned"

Which emperor made his horse a member of the senate

Who was the 2nd emperor of the Julio-Claudian dynasty?

Which emperor was known as "pumpkin head"?

Which emperor retired to the island of Capri and "ruled" from there?

Which emperor was also known by the name 'Octavian?'

Which emperor took on the newly created position of 'Pontifex Maximus'?

Which emperor introduced uniform coins to make trade easier?

Which emperor set up the postage system?

Which emperor ordered a census to be taken?

Which emperor ordered the persecution of Christians

Which emperor added Britain to the Roman empire?

Which emperor was likely smothered on his way back to Rome?

Which emperor dressed like a god and went to the temples to have "conversations" with the gods and claimed he himself was a god.

Which emperor declared war on Neptune and had the soldiers collect seashells?

Which emperor was considered to be weak because of his epilepsy and birth defects?

Which emperor's cabinet was composed of primarily freedmen?

Which emperor killed his own mother?

Which emperor considered himself to be an artist\performer?