Lieutenant Randy Disher - Stottlemeyer's right-hand man Dr. Charles Kroger - Monk's psychiatrist Julie Teeger - Natalie's teenaged daughter Original characters Officer Susan Curtis - An officer in charge of clerical duties in the homicide division. "Mad" Jack Wyatt - A veteran detective who was kicked off of the force after the city lost several lawsuits from his violent and unconventional methods. Cynthia "Cindy" Chow - A paranoid schizophrenic who espouses multiple conspiracy theories. Spent most of her time on the force undercover. Frank Porter - A senile veteran detective. Spent 45 years on the force, 20 in homicide, during which he worked extensively with Monk. Monk describes him as one of the best investigators he has met. Sparrow - Frank Porter's 20-year-old granddaughter, who works as his assistant to manage his senility. Arnie - Mad Jack Wyatt's anger management counselor. Jasper Perry - Cindy Chow's psychologist. Officer Kent Milner - A rookie cop working overtime during the Blue Flu. Bertrum Gruber - An informant on the Golden Gate Strangler. Charlie Herrin - The Golden Gate Strangler. Allegra Doucet - Murder victim and astrologer. Was stabbed to death in her own house. John Yamada - Murder victim. Was run down by a car while crossing the street. Diane Truby - Murder victim and waitress. Was pushed off the sidewalk and into the path of a bus. Scott Eggers - Murder victim. Was bludgeoned and then suffocated in an alley while on the way to his car. Max Collins - A client who lost millions of dollars to Allegra Doucet's advice. Madam Frost - Allegra Doucet's neighbor and astrology rival. 2007 American novels 2009 American television episodes Monk (novel series) Monk (TV series) episodes Novels set in San Francisco Signet Books books