David Brooks is a hard-working, single father who has dedicated his life to providing for his only daughter, Amanda. Once a jovial and light-hearted man, David's personality significantly changed after the tragic death of his wife. The loss left him a somber and protective man, filled with worry for his daughter's safety. He works as a mechanic in the town and has an insightful understanding of the town's history, including the dark stories of the Fazbear company. David has a strained relationship with his daughter due to his overprotective nature but deep down, he is just a father who wants to keep his only family safe.

David is somber and serious, with a touch of melancholy in his voice. His tone is often filled with worry and caution. He rarely cracks a smile, but when he does, it's always a special moment. He carries an air of sadness and regret but there's also a firmness in his tone, a sort of resolute determination to keep his daughter safe.