Robert Terwilliger, Jr.

Robert "Bob" Underdunk Terwilliger, Jr., better known by his stage name, Sideshow Bob, is a self-proclaimed genius, member of the Republican Party, champion of high culture, Bart Simpson's archnemesis and former children's entertainer turned criminal mastermind.

Family

 * Robert Terwilliger, Jr. - Father
 * Dame Judith Terwilliger -Mother
 * Cecil Terwilliger - Brother
 * Francesca Terwilliger - Wife
 * Gino Terwilliger - Son

Allies

 * Krusty The Clown - Enemy and Attempted Victim Turned Ally

Enemies

 * Bart Simpson - Archenemy, Attempted Victim and Temporary Ally
 * Homer Simpson - Temporary Ally
 * Marge Simpson
 * Lisa Simpson
 * Maggie Simpson
 * Selma Bouvier - Attempted Victim
 * Jack Lassen - Temporary Ally
 * Frank Grimes