Respuesta :

Answer: Herman E. Calloway

Unfortunately, Bud never finds out who his father is. While Bud spends the majority of the book believing that Herman E. Calloway is his father, it is revealed in Chapter Eighteen that Calloway is actually Bud's grandfather.

Explanation:

Bud's grandpa is Herman E. Callaway. At first, Bud thought that Herman was his father, and then found out that he was his mom's mom, making Herman hisonly living relitive