Mr. Tanaka is a character from Sonic X. He is Chris Thorndyke's Japanese butler. He is tall, thin, looks very stern and wears glasses. He is a skilled martial artist and develops a relationship with Topaz in the first series. He somewhen discovered the presence of Sonic and the others long before Ella did and revealed his secret to Chris when he found him scolding Cream. Tanaka entered the Emerald Fighting Tournament and was defeated by Emerl. In the French dub, his first name is revealed to be Edward. Tanaka is 35 years old, 175 cm tall, and weighs 72 kg.
In the English dub, he speaks with a stereotypical Japanese accent and is voiced by Ted Lewis.