How do you say sonic in Chinese?

Sonic the Hedgehog is 索尼克 <- Sonic (Phonetic: suǒ ní kè)

(The game is 音速小子 yīn sù xiǎo zi)

While "sonic" as in sound is just 音 yīn

(Interesting, they did not actually hedgehog for the game title, which would be 刺猬 <- hedgehog)