He wasn't trying to be, does every voice actor have to have as many voices as Mel Blanc

Pokémon franchise UK Dub voice cast: Shelley Longworth as Ash Ketchum Jo Wyatt as Misty, May, Max and Additional Voices Tim Dixon as Brock Morwenna Banks as Jessie Richard Pearce as James Keith Wickham as Meowth, Porygon2, Dunsparce and Additional Voices Catherine Tate as Delia Ketchum and Additional Voices Enn Reitel as Professor Oak and Additional Voices Sophie Colquhoun as Officer Jenny Sarah Hadland as Nurse Joy and Serena Michael Angelis as Professor Birch Joanna Ruiz as Dawn Harley Bird as Iris Nigel Pilkington as Cilan Naomi Wilkinson as Professor Juniper Teresa Gallagher as Bianca and Additional Voices Asa Butterfield as Clemont Jane Horrocks as Bonnie Bella Ramsey as Korrina Woody Norman as Sophocles Colin McFarlane as Kiawe and Additional Voices Marcel McCalla as Goh Alexander Armstrong as the Narrator and Additional Voices Kate Harbour as Additional Voices Jonell Elliott as Additional Voices Andy Turvey as Additional Voices Alex Kelly as Clefairy and Additional Voices Emma Tate as Additional Voices Ben Small as Additional Voices Gary Martin as Additional Voices Tom Eastwood as Additional Voices John Telfer as Additional Voices John Hasler as Additional Voices Finty Williams as Additional Voices Chris Jarvis as Additional Voices Jan Ravens as Additional Voices Marc Silk as Dusclops and Additional Voices Janet James as Additional Voices Tom Clarke-Hill as Additional Voices Neil Morrissey as Additional Voices Rachael Miller as Additional Voices Sue Elliott-Nicholls as Additional Voices Anne Maxwell Martin as Additional Voices Matt Wilkinson as Additional Voices Simon Feilder as Additional Voices Simon Greenall as Additional Voices Julie-Ann Dean as Additional Voices Claire Morgan as Additional Voices Jimmy Hibbert as Additional Voices David Tennant as Additional Voices Lizzie Waterworth-Santo as Additional Voices Wayne Forester as Additional Voices Stephen Fry as Additional Voices Moir Leslie as Additional Voices Bob Golding as Additional Voices David Holt as Additional Voices Emma Weaver as Additional Voices Tamsin Heatley as Additional Voices Regine Chandler as Additional Voices Maria Darling as Additional Voices Tim Whitnall as Additional Voices Steven Kynman as Additional Voices Lynn Cleckner as Additional Voices Rob Rackstraw as Abomasnow, Gastrodon and Additional Voices Kim Tserkezie as Clefable Sue Monroe and Jane McCarry as Cleffa Yvonne Stone as Sprigatito Mark Mander as Fuecoco Adam Carter as Nidoran M and Quaxly Ikue Otani as Pikachu (retained from the Japanese and USA Dub) Satomi Korogi as Togepi (retained from the Japanese and USA Dub) Dan Green as Mewtwo (retained from the USA Dub)