Crazy FrogCrazy FrogIt's enough to leave your ears ringing - Crazy Frog is looking to dominate the singles chart.

And it's news that won't leave Coldplay's Chris Martin too happy, as the frankly horribly irritating ringtone ("ding ding dididing") is expected to leapfrog his band's latest song.

Crazy Frog is outselling Coldplay's Speed Of Sound four to one in HMV stores - it's expected to sell 150,000 this week alone - and is set to overtake Oasis' Layla this weekend.

It's the first time ever that a mobile phone ringtone has crossed over into the singles chart.

An HMV spokesman said: "Kids obviously find it cute and cool but students and office workers seem to be drawn to its rather kitsch, ironic appeal.

"Music purists might not be too happy."

Crazy Frog has made millions for ringtone company Jamster and has become one of the best-selling ringtones in the world.

The Advertising Standards Authority has set up a special website explaining how to complain about Jamster after receiving nearly 400 complaints about how often the ad's shown on TV.

It's also received complaints about the frog's visible teeny penis, which has now been censored, even after the ASA judged it acceptable.

The single by German band Bass Bumpers mixes the ringtone with Axel F, Harold Faltermeyer's theme tune from the film Beverly Hills Cop. That tune went to No.2 in the UK 20 years ago.

The story so far:

  • A Swedish computer components salesman, Daniel Malmedahl, recorded the sound in 1997, aged 17, imitating his friends' souped-up two-stroke scooters. 
  • A friend posted the recording online, where a Swedish TV researcher found it and got Daniel to perform it live on telly. 
  • It was then posted on several websites, including the Insanity Test quiz site. 
  • In 2003 another Swede, Erik Wernquist, drew the frog, dubbing it The Annoying Thing and posting it on his own website for downloads. 
  • He had no idea who made the noise and included a request for the creator to contact him. A friend of Daniel's saw it and put the two in touch by phone. To this date, they've never met in person. 
  • Finally German ringtone company Jamba!, which trades under the Jamster! brand, bought the rights from Erik and Daniel as a phone download. 
  • Jamba! was bought by VeriSign, an American Nasdaq-listed internet company, for £152m in May 2004.