Suggestions by @palamepaj

Ganondorf Dragmire

as British in Characters by heritage

Nigel Uno

as British in Characters by heritage

Rabbit (Winnie the Pooh)

as British in Characters by heritage

Princess Fiona

as British in Characters by heritage

Gromit

as British in Characters by heritage

Lord Voldemort

as British in Characters by heritage

Scrooge McDuck

as British in Characters by heritage

The Scotsman

as British in Characters by heritage

Kirigaya Kazuto/Kirito

as Japanese in Characters by heritage

May (Pokemon)

as Japanese in Characters by heritage

Haruhi Suzumiya

as Japanese in Characters by heritage

Princess Rosalina

as Japanese in Characters by heritage

Bulma

as Japanese in Characters by heritage

Rukia Kuchiki

as Japanese in Characters by heritage

Ponyo

as Japanese in Characters by heritage

Misty

as Japanese in Characters by heritage

Scorpion (Hanzo Hasashi)

as Japanese in Characters by heritage

Totoro

as Japanese in Characters by heritage

Anpanman

as Japanese in Characters by heritage

Princess Daisy

as Japanese in Characters by heritage