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Mammoth, Wolfgang Van Halen’s band, has parted ways with touring drummer Garrett Whitlock, according to a band statement reported by Consequence. Nathan Bulla will take over drum duties as the band continues its tour, beginning with dates in Chile on Oct. 31.
Mammoth, the band led by Wolfgang Van Halen, has parted ways with touring drummer Garrett Whitlock and will bring in Nathan Bulla for its upcoming shows. The change takes effect as the band resumes its “The End” tour in Santiago, Chile, on Oct. 31, according to a statement reported by Consequence.
The band described the split as mutual and amicable. “Touring drummer Garrett Whitlock and Mammoth have agreed to amicably part ways,” the statement said, thanking Whitlock for his time with the group and wishing him well. It did not provide a reason for his departure.
Bulla, whose credits include Intervals and Protest the Hero, will handle drums for the continuation of the tour. Mammoth’s touring lineup is listed as Van Halen on lead vocals and guitar, Frank Sidoris and Jonathan Jourdan on guitar, Ronnie Ficarro on bass, and Bulla on drums.
The group is scheduled to support Iron Maiden at two shows in Chile, followed by European dates from early November through mid-December. In March 2027, Mammoth is set to play Canadian shows with Theory of a Deadman, alongside several planned U.S. headlining performances.
A Touring Change Before Chile Dates
The personnel change affects Mammoth’s live lineup as the band moves into a run of international shows. Bulla’s appointment gives the group a drummer for its imminent Chile dates and the following European tour, while the announcement does not indicate a change to the band’s studio approach or its other touring members.
For fans attending the scheduled concerts, the practical development is who will be behind the kit. The shows include two support appearances with Iron Maiden and a subsequent European leg, making the timing of the replacement especially relevant to the band’s near-term plans.
The statement presents the departure as amicable, but offers no further explanation. The available information does not establish whether Whitlock’s exit involved scheduling, personal circumstances, or another reason, so those possibilities should not be treated as fact.
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Whitlock’s Role in Mammoth
Van Halen handles the instruments and vocals on Mammoth’s studio recordings, while the project performs with a full touring band. Whitlock had been the group’s drummer since 2021, according to the source report. His departure therefore changes the live lineup rather than describing a broader restructuring of the studio project.
The reported schedule places the lineup change at the start of the tour’s next stretch: Chile on Oct. 31, then Europe from early November through mid-December. Later announced plans include Canadian dates with Theory of a Deadman in March 2027 and a small number of U.S. headline shows.
“Touring drummer Garrett Whitlock and Mammoth have agreed to amicably part ways.”
— Mammoth, in a statement reported by Consequence
Reason for Whitlock’s Exit
The band has not said why Whitlock is leaving, and the statement does not describe any disagreement or dispute. It also does not clarify whether the change is limited to the upcoming touring schedule or whether Whitlock has any continuing role with Mammoth. No comment from Whitlock is included in the source report.
The dates and lineup described here reflect the information in the report and band statement. Any later schedule or personnel changes have not been established by the available material.
Bulla’s First Scheduled Shows
Bulla is expected to join Mammoth for the tour’s continuation, starting Oct. 31 in Santiago. The band is then scheduled to support Iron Maiden at two Chilean shows before continuing to Europe from early November through mid-December. Mammoth directed fans to its website for dates and VIP information.
Further planned appearances include Canadian shows with Theory of a Deadman in March 2027 and several U.S. headline dates. The band has not provided additional details about Whitlock’s departure or whether it will make any further lineup announcements.
Key Questions
Who is replacing Garrett Whitlock in Mammoth?
Nathan Bulla, whose credits include Intervals and Protest the Hero, will play drums on Mammoth’s upcoming tour dates.
Why did Garrett Whitlock leave Mammoth?
The band has not given a reason. Its statement described the parting as amicable but did not offer further detail.
When will Nathan Bulla first play with Mammoth?
The band said the tour resumes in Santiago, Chile, on Oct. 31. The source report says Mammoth is also scheduled to support Iron Maiden at two shows in Chile.
What is Mammoth’s touring lineup now?
The listed lineup is Wolfgang Van Halen on vocals and guitar, Frank Sidoris and Jonathan Jourdan on guitar, Ronnie Ficarro on bass, and Nathan Bulla on drums.
What dates are planned after Chile?
Mammoth is scheduled to tour Europe from early November through mid-December, then play Canadian shows with Theory of a Deadman in March 2027 and several U.S. headlining gigs.
Source: consequence.net
