We don't have a biography for Kaku yet. Hang in there, or go ahead and contribute one.
Appearances
One Piece
Guest cast, played by Ryotaro Okiayu
- Episode 4x24: The Adventure in the City of Water! Aim for the Giant Shipyard (Apr 24, 2005)
- Episode 4x25: The Franky Family and Iceburg! (May 1, 2005)
- Episode 4x26: Galley-La Company! The Magnificent Dock #1 (May 15, 2005)
- Episode 4x27: The Pirate Kidnapping Incident and the Pirate Ship Waits for Death! (May 22, 2005)
- Episode 4x31: The City of Water is Shaking! Iceburg was Targeted! (Jul 3, 2005)
- Episode 4x32: Rubberman vs Fire-Breathing Cyborg (Jul 10, 2005)
- Episode 4x33: The Criminals are the Straw Hat Pirates? The Bodyguards of Water 7 (Jul 31, 2005)
- Episode 4x35: Catch Robin! The Determination of the Straw Hat Pirates (Aug 14, 2005)
- Episode 4x36: The Signal is the Explosion! CP9 Starts to Move (Aug 21, 2005)
- Episode 4x37: CP9 Unmasked! Their Shocking True Faces (Sep 4, 2005)
- Episode 4x38: The Secret Bond! Franky and Iceburg (Sep 11, 2005)
- Episode 4x39: Come Back, Robin! The Confrontation with CP9 (Sep 18, 2005)
- Episode 4x40: Destruction of the Straw Hat Pirates? The Terror of the Model Leopard! (Oct 23, 2005)
- Episode 4x41: The Man who is Loved by his Ship! Usopp's Tears! (Oct 30, 2005)
- Episode 4x42: Franky's Past! The Day the Sea Train Ran (Nov 6, 2005)
- Episode 4x43: Spandam's Conspiracy! The Day the Sea Train Shook (Nov 13, 2005)
- Episode 4x44: The End of the Legendary Man! The Day the Sea Train Cried (Nov 20, 2005)
- Episode 4x45: The Truth Behind the Betrayal! Robin's Sorrowful Decision! (Nov 20, 2005)
- Episode 4x46: The Steam Whistle Separates the Group! The Sea Train Begins to Run (Dec 4, 2005)
- Episode 4x47: Sanji Breaks In! The Sea Train Battle in the Storm! (Dec 11, 2005)
- Episode 4x48: The Shout of Nami's Soul! The Return of the Straw Hat! (Jan 22, 2006)
- Episode 4x52: A Mysterious Man Appears?! His Name Is Sogeking! (Mar 5, 2006)
- Episode 4x53: Cook Confrontation! Sanji vs Ramen Kenpo (Mar 12, 2006)
- Episode 4x55: Crash! Demon-Cutting Zoro vs Ship-Cutting T-Bone! (Apr 2, 2006)
- Episode 4x56: Robin Struggles! Sogeking's Clever Scheme!! (Apr 16, 2006)
- Episode 4x57: The Judiciary Island! The Full Picture of Enies Lobby! (Apr 30, 2006)
- Episode 4x58: Operation Disembarkation Commences! The Straw Hat Crew Rushes In! (May 21, 2006)
- Episode 4x59: Luffy Charges In! Great Decisive Battle on the Judiciary Island! (Jun 4, 2006)
- Episode 4x60: Battle with the Giants! Open the Second Door! (Jun 11, 2006)
- Episode 4x61: The Means of Escaping is Opened! Fly through the Sky, Rocketman! (Jun 18, 2006)
- Episode 4x62: Catch Up with Luffy! The Straw Hat Pirates' All-Out War (Jun 25, 2006)
- Episode 4x63: Robin was Betrayed! The Expectations of the World Government! (Jun 25, 2006)
- Episode 4x65: Don't Stop! Raise the Signal Fire of a Counterattack! (Jul 9, 2006)
- Episode 4x68: Answer Us, Robin! The Outcries of the Straw Hat Crew!! (Aug 6, 2006)
- Episode 4x69: Robin's Past! The Girl who was Called a Demon! (Aug 13, 2006)
- Episode 4x72: Say You Want to Live! We are Friends!! (Sep 24, 2006)
- Episode 4x75: Tears Which Weaved the Bond of Comrades! Nami's World Map (Oct 15, 2006)
- Episode 4x76: Separation Refines a Man! Sanji and Chopper (Oct 22, 2006)
- Episode 4x77: All for my Comrades' Sake! The Darkness Within Robin! (Oct 29, 2006)
- Episode 4x78: The Blueprints Aren't Passed! Franky's Decision (Nov 5, 2006)
- Episode 4x79: Retrieve the 5 Keys! The Straw Hat Crew vs CP9 (Nov 12, 2006)
- Episode 4x80: Power of the Devil Fruit! Kaku and Jyabura Transform (Nov 19, 2006)
- Episode 4x81: Even if I Die, I Won't Kick You! Sanji's Manly Chivalry (Nov 26, 2006)
- Episode 4x83: Zoro's New Technique Explodes! The Katana's Name is Sogeking? (Dec 10, 2006)
- Episode 4x84: Uncontrollable! Chopper's Forbidden Rumble (Dec 17, 2006)
- Episode 4x88: The Resounding Bad News! The Buster Call is Invoked (Jan 21, 2007)
- Episode 4x89: 5 Namis? Counterattack with the Mirage! (Jan 28, 2007)
- Episode 4x90: Nami's Determination! Shoot the Rampaging Chopper! (Feb 4, 2007)
- Episode 4x91: Hunter Sanji Appears? Elegy to the Lying Wolf (Feb 11, 2007)
- Episode 4x93: The Drawn Sword's Fierce Attack! Zoro vs. Kaku Powerful Slash Showdown (Mar 4, 2007)
- Episode 4x94: Zoro the Fierce God! The Incarnation of Asura Revealed by His Soul (Mar 11, 2007)
- Episode 4x95: Spandam's Shock! A Hero Stands on the Tower of Justice (Mar 18, 2007)
- Episode 4x98: If I Can't Win, I Can't Protect Anyone! Gear Third Activates (Apr 8, 2007)
- Episode 8x172: The Numerous Rivals Struggle Amongst Themselves - The Raging Monsters of the New World (Jun 19, 2016)
- Episode 9x140: The Holyland in Tumult! The Targeted Princess Shirahoshi! (May 26, 2019)
- Episode 11x04: Bonney's Lamentation! Darkness Lurking on the Future Island (Jan 28, 2024)
- Episode 11x10: The Eccentric Dream of a Genius! (Mar 24, 2024)
- Episode 11x11: Preparations for Interception! Rob Lucci Strikes! (Mar 31, 2024)
- Episode 11x12: Powers on a Different Level! Luffy vs. Lucci! (Apr 7, 2024)
- Episode 11x13: The Strongest Form of Humanity! The Seraphim's Powers! (Apr 21, 2024)