Lhara is the woman you want to see for all your mount and pet needs when it comes to the Darkmoon Faire.
Each pet costs 90 Darkmoon Prize Tickets
Each mount costs 180 Darkmoon Prize Tickets.
Below is a list of each mount and pet that Lhara sells.
I have already acquired each one so click on the links below to check out post I made on each individual mount and pet!
Swift Forest Strider Mount
Darkmoon Dancing Bear Mount