Kaiwan Wattanakrai (Thai: ไกวัล วัฒนไกร; rtgs: Kaiwan Watthanakrai) born April 8, 1951 in Amphoe Sam Chuk, Suphanburi Province is a Thai voice actor he work dub for over 20 years especially the voice in anime by he is also high experienced for dubbing. His noted roles include Roronoa Zoro on One Piece, Sakuragi Hanamichi on Slam Dunk, Saeba Ryo on City Hunter, and Vegeta on Dragonball Z.
Dragonball - Master RoshiDragonball Z - Master Roshi, Vegeta, CellMobile Suit Gundam Wing - Duo MaxwellTokyo Babylon - Seishirō SakurazukaSaint Seiya - Cygnus Hyoga, Phoenix IkkiSaint Seiya: Hades Chapter - Cygnus Hyoga, Phoenix Ikki, Libra Dogo, Gemini SagaSaint Seiya: The Lost Canvas - Libra Dogo, Pope SageRevolutionary Girl Utena - Touga KiryuuKinnikuman - Terryman, BuffalomanMirmo! - Hirai, DarkGhost Sweeper Mikami - Doctor Chaos, Kazuhiro KarasuSailor Moon - Professor Tomoe, Motoki Furuhata, Zoisite, AilRanma ½ - Happosai, Dr. Tofu OnoYu Yu Hakusho - Hiei, Rando, Suzaku, Sakyo, Kuronue, RaizenSlam Dunk - Mito Yohe, Miyagi RyotaFighting Spirit - Masaru Aoki, Takeshi SendōMagic Knight Rayearth - InouvaDetective Conan - Megure Juzo, Supporting characterFist of the North Star - Raoh and supporting charactersYaiba - Tsukikage, Kumo-Otoko, Kotaro FumaThe Prince of Tennis - Kaidou Kaoru, Oishi SyuichirouInazuma Eleven - Ryūgo SomeokaInuyasha - Koga, Ogunima, MyogaShōnen Onmyōji - GurenFairy Tail - Makarov DreyarNote: anime are distributed by various company in the Thailand include Tiga Co. Ltd., Dream Express (DEX), Amigo, Rose Media and Entertainment, and other
Zatch Bell! - Apollo, BragoMobile Suit Gundam - Char AznableMobile Suit Zeta Gundam - Char Aznable/Quattro BajeenaMobile Suit Gundam SEED - Rau Le Creuset, Dearka ElsmanMobile Suit Gundam SEED Destiny - Gilbert Durandal, Sting OakleyMobile Suit Gundam 00 - Graham Aker, Johann Trinity, Ian Vashti, Andrei SmirnovMobile Suit Gundam: Iron-Blooded Orphans - Nadi Yukinojo Kassapa, Naze Turbine, Chad ChadanFighting Spirit - Ichirō Miyata, Genji Kamogawa, Masaru Aoki, Takeshi SendōDetective Conan - Megure Juzo, Gin, Hattori Heiji, Supporting characterFullmetal Alchemist - Maes HughesKannazuki no Miko - Tsubasa,YukihitoShin Mazinger Shougeki! Z Hen - Juzo Kabuto,Count Brocken,BossYakitate Japan - Ken MatsushiroCity Hunter - Saeba RyoKinnikuman Nisei - Terry the Kid, CheckmateInuyasha - Sesshomaru, Bankotsu, Myoga, HakkakuCode Geass - Charles zi Britannia, General Bartley Asprius, Kyoshiro Tohdoh, Kanon Maldini, Yoshitaka Minami,Kanon Maldini,Luciano BradleySlamdunk - Sakuragi HanamichiFate/stay night - Archer, GilgameshDigimon Savers - Satsuma RentarouNadia: The Secret of Blue Water - Gargoyle, HansonFruits Basket - Hatori SohmaTokyo Mew Mew - Ryou Shirogane, KishOne Piece Roronoa Zoro, Supporting characterGreat Teacher Onizuka - Yoshito Kikuchi, Hiroshi UchiyamadaGintama - Hijikata ToshiroTiger & Bunny - Keith Goodman/Sky High, Yuri Petrov/Lunatic, Ben JacksonSaint Seiya - Phoenix Ikki, Libra Dohko, Sagittarius Aiolos, Unicorn Jabu, Lizard MistySgt. Frog - Sergeant Major Kululu - (Ep. 206–)Juukou B-Fighter as Daisaku KatagiriB-Fighter Kabuto as Masaru Osanai, Julio RiveraMadan Senki Ryukendo as Juushirou FudouUltraman as Shin HayataUltraman Max as Ultraman Max, Kenzo TomiokaKamen Rider Kabuto as Sou YagurumaSamchuk (2009) 
