Who are the characters in flush by Carl hiaasen and what do they do?

There are several major characters in the book Flush, and it is a young adult novel from the same author as Hoot. The novel features the characters Noah Underwood, Abbey Underwood, Paine Underwood, Donna Underwood, Lice Peeking, (Charles Peeking) Dusty "Money Man" Muleman, Shelly, Jasper Jr. Muleman, Bull, Thom, Luno, Rado and Grandpa Bobby Underwood (Robert Lee Underwood).