The Official UK Charts Company said Crazy Frog's "Axel F," which went on sale as a CD last week, kept Coldplay's new release "Speed Of Sound" in second place.
For all its popularity, the Crazy Frog has also aroused loathing.
Earlier this year the Advertising Standards Authority received complaints from viewers who not only objected to the frog's visible genitalia but also the frequency of the television spots.
Television advertisements that plug the tune feature an animated frog wearing a broad smile while singing a distractingly catchy tune with froglike lyrics:A ding ding ding ding dididing ding bing bing pscht,
Dorhrm bom bom bedom bem bom bedom bom bum ba ba bom bom,
Bouuuuum bom bom bedahm, Bom be barbedarm bedabedabedabeda
Bbrrrrrimm bbrrrrramm bbbrrrrrrrrraammmmm ddddddraammm,
Bah bah baah baah ba wheeeeeee-eeeee-eeeee!
The Crazy Frog ring tone is one of several ring tones offered by Jamster, a UK-based marketer and distributor of cell-phone services.