Ruin a band name by changing just one letter

Tyrannosaurus Sex
Jethro Dull
Blue Öyster Cunt (repeat with correct umlauting)
Panti Smith Group
Iggy Fop
Kale Bush
Ropy Gallagher
Gums'n'Roses
Broken Balls

(scouring my Apple music playlist for inspiration)
 
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