This is a real Maned Forest Lizard (Bronchocela jubata) skull! Measuring ~1" long
Bronchocela jubata, commonly known as the maned forest lizard, is a species of agamid lizard found mainly in Indonesia on the islands of Singkep, Java, Bali, Sulawesi, Karakelang, Salibabu; Nias Island, Singkap Island, Borneo also in Thailand, Cambodia and Philippines.