Question: masked singers that have been revealed?
Answer: 1 of 5. Load Video. Dionne Warwick (The Mouse) ... 
2 of 5. Load Video. Lil Wayne (The Robot) ... 
3 of 5. Load Video. Drew Carey (The Llama) ... 
4 of 5. Load Video. Chaka Khan (Miss Monster) ... 
5 of 5. Load Video. Tony Hawk (The Elephant)