Ruin a Band/Artist name by ADDING one letter

[miles'tone]

PU2

[Rich]

Wasp, Not Was

[Rich]

Whining Self-Righteous Bell-end 

(that's not Morrissey with an extra letter, but it should be)

[Guest]

21 hours ago, T-Bay said:

The Edamned

 

Emmental As Anything

[Clarky]

YELP

[Clarky]

Steeleye Spank

[Guest]

Elvish

[Clarky]

Mozzy Ozbourne

Stank

Angeltwitch

ABBAB

Genitle Giant

 

[Rich]

Michael Bauble

Mooby

 

[Nicko]

Salade, although it works better in French

[Crusoe]

I can't believe no one has suggested (unless I missed it) Dildo.

[JottoSW1]

Slightly not in the spirit of the OP's premise but they're Jazzmen.

Diles Mavis

Hankie Herbcock

Edited September 26, 2022 by JottoSW1

[Nicko]

1 hour ago, Crusoe said:

I can't believe no one has suggested (unless I missed it) Dildo.

In my OP.

[Clarky]

Jackson Sheights

[Clarky]

Can't

 

[Crusoe]

4 hours ago, Nicko said:

In my OP.

Dammit! I even read that post.

[mep]

Faster Pussychat

They Clash

Hawkwindy

Shotwaddywaddy

Flaming Blips

Men Without Shats

Edited September 26, 2022 by mep

[Nicko]

Mean at Work

[Nicko]

Plop Will Eat Itself

[bass_dinger]

Ruin DMC.

 

ABC DC.

[Nicko]

Labia Siffre

[Rich]

2 minutes ago, Nicko said:

Labia Siffre

Winner  

[Nicko]

Smegadeath

[Jabba_the_gut]

ELmO

[police squad]

ELLO