How to Use "maniac" with Example Sentences

1. He drove like a maniac .
2. Walters who was an engineer before he was paralyzed started to draw like a maniac .
3. He realises , you sense , that he 's the sock puppet of a maniac .
4. Some call nigeria africa 's slumbering giant . It more often behaves like the continent 's suicidal maniac .
5. I managed to grab the balcony of the apartment below , but some maniac came out and started pounding on my fingers with a hammer .