Who is Kamuela "Kamu" Kirk?
Last updated
Kamuela "Kamu" Kirk, a 32-year-old former UFC fighter from Phoenix known as "The Jawaiian," traded the octagon for the Big Brother 28 house when CBS's 'Time Trip' season premiered July 9, 2026.
Quick facts
- Age
- 32
- Hometown
- Phoenix, Arizona
- Occupation
- MMA fighter (former UFC)
- MMA Record
- 12-7 (6 wins by KO/TKO), per ESPN
- Nickname
- "The Jawaiian"
- Season
- Big Brother 28 (CBS, 2026)
Why people are searching for Kamuela "Kamu" Kirk
MMA media picked up on a former UFC fighter joining the CBS house, giving Kirk crossover attention most BB28 newcomers didn't get — fight fans have been looking up his record right alongside the reality crowd.
About Kamuela "Kamu" Kirk
Reality shows love an 'athlete' billing, but Kamuela "Kamu" Kirk's credentials check out: the 32-year-old from Phoenix, Arizona, listed by CBS as an MMA fighter, competed in the UFC between June 2021 and July 2023. Now he's a Big Brother 28 houseguest.
Fighting under the nickname 'The Jawaiian,' Kirk holds a professional MMA record reported as 12-7, with six of those wins coming by knockout or technical knockout, per ESPN's fight database as cited in coverage of his casting. In his UFC run he defeated Makwan Amirkhani in his debut before dropping back-to-back bouts to Damon Jackson and Esteban Ribovics. His family owns Siege MMA in Peoria, Arizona, the gym where he trains.
His case for winning leans on that background — he says he'll take season 28 because he has 'been battle tested,' noting he has undergone 11 MMA-related surgeries. The game plan, though, is all relationships. He calls forming bonds his biggest strength, admits his greatest weakness is being 'a little bit too trusting,' and wants to play a strong social game and get along with everybody. His favorite past players: BB16 duo Cody Calafiore and Derrick Levasseur, whose competition skills and strategic mindset he hopes to combine.
Early week 1 spoilers suggest he's already in the strategic mix — Big Brother Network reported that first Head of Household Dee Valladares conferred with Kamu about backup nomination plans, though he was not nominated himself.
Frequently asked questions
Who is Kamu Kirk on Big Brother 28?
A 32-year-old MMA fighter from Phoenix, Arizona, competing on Big Brother 28, which premiered on CBS on July 9, 2026. He's a former UFC fighter who competed in the promotion from 2021 to 2023.
What is Kamu Kirk's MMA record?
12-7 professionally, with six wins by knockout or TKO, per the ESPN record cited in casting coverage. In the UFC he beat Makwan Amirkhani in his debut before losses to Damon Jackson and Esteban Ribovics.
What is Kamu Kirk's Big Brother strategy?
Play a strong social game and get along with everybody — he calls relationship-building his biggest strength and admits he can be 'a little bit too trusting.' His favorite past players are Cody Calafiore and Derrick Levasseur.
Did Kamu Kirk really fight in the UFC?
Yes. Multiple outlets, including Variety and MMA-adjacent coverage, confirmed he competed three times in the UFC between June 2021 and July 2023 under the nickname 'The Jawaiian.'
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- Who is Barrett Pfeiffer?Barrett Pfeiffer, a 27-year-old jumbotron engineer from Austin, Texas, spent years covering Big Brother on the 'Our Reality' podcast. On July 9, 2026, the self-declared superfan finally walked into the Big Brother 28 house himself.
Sources
- 'Big Brother 28' Cast Revealed: 'Drag Race' Star Jason De Puy, MMA Fighter Kamuela 'Kamu' Kirk and More — Variety
- Big Brother Season 28 Cast Includes Former UFC Fighter — Slam Wrestling
- He's had knockout fights in the UFC, so who is Big Brother's MMA fighter Kamuela Kamu Kirk? — The Tab
- Big Brother 28 Spoilers: Week 1 Nominations — Big Brother Network