Obfuscated FizzBuzz Golf
Javascript 97 chars - no numbers at all

Numbers ? Who needs number when you have Javascript !

a=b=!![]+![],a--,c=b+b;while(++a)e=!(a%(c+c+b)),alert(!(a%(c+b))?e?"FizzBuzz":"Fizz":e?"Buzz":a);


Note: There is an infinite loop that will alert you the sequence.

Bonus (666 chars)


No number
No letter (only zfor has been use in the whole script)


.

_=$=+!![];$__=((_$={})+'')[_+$+_+$+_];__$=((![])+'')[$];_$_=((_$={})+'')
[_+$+_+$+_+$];____=[][$__+((_$={})+'')[$]+(($)/(![])+'')[$]+$__+__$+_$_];$__$=(!![]+"")
[$+$+$]+([][(![]+"")[$+$+$]+(+[]+{})[$+$]+(!![]+"")[$]+(!![]+"")[+[]]]+"")[($+$)+""+
($+$+$)]+(![]+"")[$]+(![]+"")[$+$];$_$_=____()[$-$][$__$]("\"\\"+($)+($+$+$+$+$+$+$)+
($+$)+"\"");_$=(![]+'')[$-$]+([][[]]+[])[$+$+$+$+$]+$_$_+$_$_;$_=(_+{})[$+$+$]+(!![]+'')
[_+$]+$_$_+$_$_;_--,$$=$+$;____()[$-$][$__$]((![]+"")[+[]]+(+[]+{})[$+$]+(!![]+"")[$]+
"(;++_;)$$$=!(_%("+($$+$$+$)+")),____()[+[]][__$+((![])+'')["+($+$)+"]+((!![])+'')["+
($+$+$)+"]+((!![])+'')[+!![]]+_$_](!(_%("+($$+$)+"))?$$$?_$+$_:_$:$$$?$_:_);");