Kumu is the cultural curator of Robin Masters' estate who recently works with Thomas Magnum.
- Kumu has a wide knowledge of Oahu and is usually gone to for information, usually from Magnum.
- Kumu is one of two lead characters (the other being Gordon Katsumoto) who has no analog in the original series, though her character does take on some of the duties of the original Jonathan Higgins.
- Her full name is revealed in "I, The Deceased".
|I Saw the Sun Rise||From the Head Down||The Woman Who Never Died||Six Paintings, One Frame||Sudden Death||Death Is Only Temporary||The Cat Who Cried Wolf||Die He Said||The Ties That Bind||Bad Day to Be a Hero||Nowhere to Hide||Winner Takes All|
|Day of the Viper||I, The Deceased||Day the Past Came Back||Murder Is Never Quiet||Black Is the Widow||A Kiss Before Dying||Blood in the Water||The Day It All Came Together|
|Payback Is for Beginners||Honor Among Thieves||Knight Lasts Forever||Dead Inside||Make It 'Til Dawn||Lie, Cheat, Steal, Kill||The Man in the Secret Room||He Came by Night||A Bullet Named Fate||Blood Brothers||Day I Met the Devil||Desperate Measures|
|Mondays Are for Murder||A Game of Cat and Mouse||Say Hello to Your Past||Farewell to Love||The Night Has Eyes||A World of Trouble||May the Best One Win||A Leopard on the Prowl|
|Magnum P.I. Characters|
|Current||Thomas Magnum • Juliet Higgins • Rick Wright • Theodore Calvin • Gordon Katsumoto • Teuila Tuileta|
|Other||Noelani Cunha • Duke Lukela • Kamekona Tupuola • Flippa Tupuola • Sebastian Nuzo • Icepick • Luther Gillis • Buck Greene • Kenny "Shammy" Shamberg|