Obviously it's ACDC, they've been playing since 1970 and they still rock!!
ACDC have been around longer and more well established than Linkin Park, so ACDC is more popular.
ACDC is more popular in general than Pantera.
ACDC
Korn is more popular in general than Pantera. However, Pantera existed first and influenced Korn greatly.
ACDC
Depends on what country you are talking about. UK.. Ramones. US.. ACDC. Both are equally popular in their respective countries.
In general, Elton John is more popular than ACDC. Elton appeals to just about everybody, whereas ACDC appeals to teenage hard rock fans mostly.
ACDC
Both very popular, but ACDC were much more popular for a longer period of time. So ACDC is more popular than Judas Priest.
Metallica is definitely more popular than Pantera although Pantera remains the best metal band.
ACDC
ACDC
ACDC
Korn is more popular in general than Pantera. However, Pantera existed first and influenced Korn greatly.
ACDC
ACDC
ACDC
Both bands are very popular, but ACDC reached the masses more than Megadeth so ACDC wins this one.
I think it'd have to be Pantera. Both very great, very popular bands, but there's more biographies of Pantera than there are of Sepultura.