Question 534

X started in Sweden when Erik Wernquist created a character called 'The Annoying Thing'. In 2004, X was distributed as a mobile phone ringtone by Jamba! earning more than 14 million pounds worldwide. In 2005, X went to No.1 in UK singles charts. X products now include key-rings, lunch boxes, T-shirts, back packs, soft toys and even air freshners. Just id X. :)

Answer:

Crazy Frog