Domingo "Ding" Chavez is a Rainbow operative of Tom Clancy's Rainbow Six universe. Born in Los Angeles, California, on January 12, 1968, grows up in a rough neighborhood, and joins a gang as a teenager. After the death of a friend at the hands of a rival gang, however, he joins the U.S. Army to escape street life. Domingo is first recruited to be a member of a secret CIA-run anti-drug operation in Colombia in Clear and Present Danger, at the time, still a Staff Sergeant (E-6) in the Army and is 26 years old. He first meets John Clark during the events of this novel and works with him thereon. He has at least two advanced degrees and is fluent in English, Spanish, Russian, Japanese, and Persian. He marries John Clark's daughter, Patricia, and they name their child John Conor Chavez. In "Debt of Honor" he, along with Clark, rescue a Japanese politician and former prime minister. Soon after the events in the Japanese conflict, Domingo works again with John Clark in implementing "Plan Blue" (recruitment of law enforcement officers as intelligence officers) during Executive Orders. Clark and Chavez lead multiple operations for President Ryan in this novel, some of them inside Iran. He is later recruited into and becomes team leader (with the rank of simulated major) in the multinational counter-terrorist organization known as Rainbow in Rainbow Six. Together they defeat several terrorist groups and prevented a bioterrorism plague. He is later promoted to Director of Rainbow also referred to as "Six" (after the events of Rainbow Six: Critical Hour) a position formerly held by his father-in-law, John Clark.
He reappears in Dead or Alive, as a veteran Rainbow member. After he and John lead a Rainbow team in a successful hostage rescue at the Swedish embassy in Libya, they are forced to retire. Chavez and Clark then accept jobs with "The Campus", an off-the-books intelligence agency founded by Ryan late in his administration. They immediately go on the trail of "The Emir", an international terrorist leader (based on Osama bin Laden) who was planning a series of attacks against the U.S.
In the video game Rainbow Six, his birthday is given as January 12, 1968, but in the novel CLEAR AND PRESENT DANGER (1988) Ding is 26 years old.
Chavez is shown to have a somewhat cocky attitude, being younger than his mentor, John Clark. He appears vengeful at times, however, he is not shown to be a ruthless, cold blooded killer such as some of his contemporaries. In Debt of Honor, he is sickened after being forced to use a high-intensity light to blind the pilots of Japanese AWACS planes coming in to land, causing the aircraft to crash.
Domingo is known to possess at least 3 Intelligence Stars (one issued at the beginning of Debt of Honor, one issued for John Clark and himself during Debt of Honor as well as one during Executive Orders) that are analogous to the U.S. Military's Silver Star.
- Novels featuring Ding Chavez: Clear and Present Danger, The Sum of All Fears, Debt of Honor, Executive Orders, The Bear and the Dragon, Rainbow Six, Dead or Alive, Locked On, and Threat Vector.
- Video games featuring Ding Chavez: Rainbow Six, Rogue Spear, Black Thorn, Raven Shield, Lockdown. He possessed only a small bit part in the Vegas, but had a larger role in the sequel Vegas 2
- Films featuring Ding Chavez: In the 1994 film of Clear and Present Danger, Chavez is played by Raymond Cruz.