Valve's Dota 2 has added announcer voice packs that enable Dota players to further customize their gaming experience through cosmetic additions.
A Dota 2 announcer pack replaces the default Unreal tournament announcer with the voices of different characters from the Valve universe.
Customized Dota 2 Announcers
Dr. Kleiner Announcer
Nature's Prophet Announcer
These items can be purchased from the Dota 2 store.