Wolfgang Van Halen’s Mammoth Part Ways With Drummer Garrett Whitlock
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Mammoth and touring drummer Garrett Whitlock have agreed to part ways, the band said. Nathan Bulla will take over drum duties as the band continues its tour, including Chilean dates with Iron Maiden and a European run.

Mammoth, the band led by Wolfgang Van Halen, has parted ways with touring drummer Garrett Whitlock and named Nathan Bulla as his replacement for upcoming dates. The change comes as the group continues its tour, with performances in Chile and a European run scheduled in the coming weeks.

The band said it and Whitlock had “agreed to amicably part ways” and thanked him for his time with Mammoth. It did not give a reason for the departure. Bulla, whose past associations include Intervals and Protest the Hero, will take over drum duties beginning with the continuation of the tour on October 31 in Santiago, Chile.

Mammoth is scheduled to support Iron Maiden at two shows in Chile before beginning a European tour in early November, running through mid-December. The touring lineup listed by the band consists of Wolfgang Van Halen on lead vocals and guitar, Frank Sidoris and Jonathan Jourdan on guitar, Ronnie Ficarro on bass, and Bulla on drums.

The band also has dates planned for 2027: a series of Canadian shows with Theory of a Deadman in March, along with several U.S. headlining performances. Mammoth directed fans to its website for tour dates and VIP information. The announcement does not specify whether Bulla’s appointment is limited to the currently scheduled dates or extends beyond them.

At a glance
updateWhen: Announced October 2026; Bulla is schedu…
The developmentMammoth has announced that Nathan Bulla will replace Garrett Whitlock as the band’s touring drummer.

A Change Before Major Tour Dates

The personnel change arrives just before a busy stretch of live performances, including two support dates with Iron Maiden and Mammoth’s European tour. Naming Bulla ahead of those shows gives the group a drummer for the announced itinerary and makes the lineup change relevant to fans planning to attend.

It also distinguishes Mammoth’s touring lineup from its studio approach. Wolfgang Van Halen records the band’s music by playing the instruments and singing himself, while live performances use a full group. A change in drummer therefore affects the band’s concert lineup, even though the source report does not describe any change to its recorded work or release plans.

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Mammoth’s Touring Lineup

Garrett Whitlock had been Mammoth’s drummer since 2021, according to the supplied report. His departure ends that period with the touring band; the announcement does not detail his future plans or identify any disagreement behind the decision.

Mammoth is led by Wolfgang Van Halen, who performs vocals and guitar onstage. The touring group also includes guitarists Frank Sidoris and Jonathan Jourdan and bassist Ronnie Ficarro. The report identifies Bulla’s connections to Intervals and Protest the Hero but provides no further account of his work with those acts or of how he was selected for Mammoth.

““Touring drummer Garrett Whitlock and Mammoth have agreed to amicably part ways.””

— Mammoth statement, as quoted by Consequence

Questions About the Drummer Change

The band has not disclosed why Whitlock and Mammoth parted ways, and the statement offers no details beyond describing the decision as amicable. Whitlock has not been quoted in the supplied report, so his perspective and plans are not available here.

It is also unclear whether Bulla’s role is intended to be permanent or is tied to the scheduled tour dates. Mammoth has announced him for the tour’s continuation, but the source material does not state how long he will remain with the group or whether the change affects any future recordings.

Bulla’s First Mammoth Dates

Bulla is scheduled to make his first appearance with Mammoth on October 31 in Santiago, Chile, as the band resumes the tour. Mammoth is then expected to play its two Chilean support shows with Iron Maiden before beginning its European dates in early November and continuing through mid-December.

The band’s later plans include the March 2027 Canadian shows with Theory of a Deadman and several U.S. headlining dates. Mammoth’s website is the cited source for the schedule and VIP information. Whether Bulla will remain the drummer for those 2027 performances has not been stated.

Key Questions

Who is replacing Garrett Whitlock in Mammoth?

Nathan Bulla, associated with Intervals and Protest the Hero, will handle drums on Mammoth’s upcoming tour dates.

Why did Whitlock leave Mammoth?

The band has not provided a reason. Its statement says Mammoth and Whitlock “agreed to amicably part ways”.

When will Nathan Bulla first play with Mammoth?

Bulla is scheduled to join the band on October 31 in Santiago, Chile, as the tour continues.

What dates does Mammoth have coming up?

The band is scheduled to support Iron Maiden at two shows in Chile, then tour Europe from early November through mid-December. Its 2027 plans include Canadian dates with Theory of a Deadman in March and several U.S. headlining shows.

Is Bulla a permanent member of Mammoth?

The announcement identifies Bulla as the drummer for the upcoming tour continuation but does not say whether his appointment is permanent.

Source: consequence.net

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