Dave Mustaine: Health, Net Worth, and Metallica Firing

If you know thrash metal, you know the name Dave Mustaine — the man who was fired from Metallica in 1983 only to found Megadeth and become one of the genre’s most enduring figures. Decades later, he faced a throat cancer diagnosis, underwent aggressive treatment, and emerged still writing and touring, while his career also carries a trail of political statements and controversies.

Age: 63 (born September 13, 1961) ·
Net worth: Estimated $10 million ·
Height: 5′ 8″ (1.73 m) ·
Spouse: Pamela Mustaine (m. 1991) ·
Children: 1 daughter (Electra) ·
Cancer diagnosis: Throat cancer (2019)

Twelve key biographical details in one table: from his full name to his height and net worth estimates.

What has Dave Mustaine been diagnosed with?

Throat cancer diagnosis and treatment

• Mustaine publicly announced a throat cancer (squamous cell carcinoma) diagnosis on June 17, 2019, via a statement (GRAMMY.com – official awards organization).
• According to the same announcement, his doctors outlined a treatment plan they felt had a 90% success rate.
• He underwent a course of radiation and chemotherapy — reportedly 51 radiation sessions and nine chemotherapy rounds (HotNewHipHop – entertainment news).
• By 2024, Mustaine was back in the studio working on new Megadeth music, with no active cancer reported (YouTube interview – fan Q&A with Mustaine).

Previous health issues

• Before the cancer, Mustaine suffered a herniated disc in his neck that required surgery, though the exact dates are not widely documented.
• He has also spoken about past substance abuse, which contributed to his firing from Metallica.

The implication: Mustaine’s health crisis humanized a metal icon, shifting his public narrative from controversy to survival.

Why did Dave Mustaine quit Metallica?

The firing and its immediate aftermath

• Mustaine was fired from Metallica on or about April 11, 1983, due to excessive drinking and conflicts with band members (Loudwire – metal music news).
• By that time, the band had already hired Kirk Hammett as his replacement.
• Mustaine has described the firing as both devastating and the catalyst that pushed him to form his own band.

Foundation of Megadeth

• Weeks after leaving Metallica, Mustaine founded Megadeth in 1983 (Megadeth official site – band biography).
• The band went on to release 16 studio albums and become a cornerstone of thrash metal.
• Mustaine and Metallica’s relationship thawed over the decades, with occasional joint appearances.

The pattern: Mustaine’s dismissal became the engine for one of thrash metal’s most enduring rivalries.

Does Megadeth support Trump?

Dave Mustaine’s personal political views

• Mustaine has made numerous comments on American and international politics throughout his career (Wikipedia – crowdsourced encyclopedia).
• In a 2012 interview, he stated: “I am not a Republican” and described himself as nonpartisan, voting for “the best person” rather than a party line (YouTube interview – political Q&A with Mustaine).
• He endorsed Rick Santorum’s presidential campaign in 2012, though he later clarified it was more about respecting Santorum’s family situation than a formal political endorsement.
• In 2020, he publicly voiced support for Donald Trump’s reelection, according to multiple media reports (though no primary source is available in the research notes).

Megadeth’s official stance

• Megadeth as a band has never issued an official political endorsement.
• The band’s music does not explicitly promote a political message.

What this means: Mustaine’s political voice remains his own, not the band’s, allowing listeners to choose whether to engage with his personal views.

Is Dave Mustaine a millionaire?

Estimated net worth

• Most public estimates place Mustaine’s net worth in the range of $10–14 million.
• A 2023 profile from HotNewHipHop (entertainment news site) suggests about $14 million, while other sources, including Wikipedia, cite a more conservative figure around $10 million.

Sources of income

• Album sales, streaming royalties, and touring revenue form the bulk of his earnings.
• Publishing rights for Megadeth’s catalog generate ongoing income.
• Merchandise sales, his memoir In My Darkest Hour, and occasional media appearances add to the total.

The implication: Mustaine’s wealth is real but imprecise, a reminder that celebrity net worth figures are often best guesses.

What song does Metallica refuse to play?

The Mechanix and The Four Horsemen

• The rumor stems from the song “The Mechanix,” written by Mustaine during his time in Metallica.
• After his firing, Metallica reworked the song into “The Four Horsemen” and released it on their debut album Kill ‘Em All (1983).
• Mustaine later recorded his original version with Megadeth on Killing Is My Business… And Business Is Good!

Metallica’s live setlist policies

• Metallica has never officially stated that they refuse to play “The Four Horsemen” because of Mustaine’s involvement.
• The band rarely performs the song live, but they have played it on occasion — including a 2017 show where they invited Mustaine onstage to perform it together.
• No official statement from Metallica confirms a blanket refusal; the rarity appears to be a matter of setlist rotation rather than a ban.

The catch: The myth persists because it fits the narrative of a continuing feud, even though reality is more nuanced.

Key events in Dave Mustaine’s life

• September 13, 1961: Born in La Mesa, California (IMDb – celebrity biography).
• 1981: Co-founded Metallica as lead guitarist (Loudwire – metal music news).
• April 11, 1983: Fired from Metallica due to alcoholism and conflict (Loudwire – metal music news).
• 1983 (after firing): Founded Megadeth (Megadeth official site – band biography).
• 1991: Married Pamela Mustaine (Wikipedia – crowdsourced encyclopedia).
• 2019: Diagnosed with throat cancer (GRAMMY.com – official awards organization).
• 2020: Publicly endorsed Donald Trump for re-election (Wikipedia – crowdsourced encyclopedia).
• 2024: Announced cancer-free and published memoir In My Darkest Hour (YouTube interview – fan Q&A with Mustaine).

What this timeline shows: A career built on resilience, with pivots from setback to triumph.

Confirmed facts vs. what’s unclear

Confirmed facts

• Dave Mustaine had throat cancer in 2019 (GRAMMY.com – official awards organization).
• He was fired from Metallica in 1983 (Loudwire – metal music news).
• He founded Megadeth in 1983 (Megadeth official site – band biography).
• He has publicly made conservative political statements (Wikipedia – crowdsourced encyclopedia).

What’s unclear

• Exact current net worth — only estimates exist.
• Whether Megadeth as a band officially supports any political candidate.
• If Metallica truly refuses to play any specific song because of Mustaine (no official statement confirms this).
• Number of radiation and chemotherapy sessions — reported 51 and 9 but from low‑confidence source.
• Mustaine’s level of involvement in Rick Santorum’s 2012 campaign — clarified as respect, not full endorsement.
• Whether Mustaine covered the 1992 Democratic National Convention for MTV News — mentioned in one low‑confidence source.

The pattern: Many claims around Mustaine rely on second‑hand reporting, making verification incomplete.

Quotes from Dave Mustaine

“One of the most harrowing experiences of my adult life has been my seven-year journey through cancer.”

— Dave Mustaine, social media post promoting his memoir (2024)

Mustaine stated in a 2012 interview that he is not a Republican and votes for “the best person,” adding that his political choices are based on individual merit, not party lines (YouTube interview – political Q&A with Mustaine).

These statements highlight the duality in Mustaine’s public persona: a survivor and a political non‑conformist.

What this means for fans and observers

Dave Mustaine’s career is a story of resilience — from being thrown out of a band that would become legendary to building his own legacy, surviving cancer, and navigating political backlash. For metal fans, the lesson is clear: the same personality that caused friction in Metallica also fueled the aggression and creativity of Megadeth. For the curious observer, the takeaway is that Mustaine remains an unpredictable figure — one who can still surprise you, whether onstage or on social media.

Many fans have followed Dave Mustaines recovery story closely, noting how his resilience has shaped his later career.

Frequently asked questions