the supreme dalek
The "yellow dalek" is called the Eternal Dalek.
Dalek Supreme.
A Dalek is a Doctor Who alien which looks like this But you are right that is green.....on the inside...
the daleks make the cult of skaro, there names are, Dalek Sec (leader), Dalek Caan, Dalek Thay and Dalek Jast
It has to be the Dalek.
The rarest warhammer figure is the White Dwarf.
The basic answer is yes. Most of this was disclosed in the Doctor 7 show Remembrance of the Daleks which aired in 1988. It is unclear how the Emperor Dalek Davros is related to the Emperor Dalek in the Doctor 2 Adventure Evil of the Daleks
You can get the mini figures that go with lego there is daleks in there but you never know what figure you get. Also there is the action figures where you can get it from places like Argos
Toy shops.
dalek
Basically those voices were electronically manipulated. You can find some information on how the Dalek's voices were created in the Wikipedia article on "Dalek", specifically here: http://en.wikipedia.org/wiki/Dalek#Voices
The BBC controls all Doctor Who imagery, and has indeed registered a trademark on the word "dalek."