Powershot Ixus Camera

Powershot Ixus Camera
Why is the Canon Powershot IXUS 70 SD1000 also called?

I am looking on ebay and they are often called, but both the camera body Sometimes he sometimes IXUS Powershot says

I do not know about this particular camera, but Canon cameras have been known to give different names by country that are available.

Canon Ixus 100 (Powershot SD 780) Video Low Light