MCF's COMMON 9

It's time once again for MCF's COMMON, the game where four things are like one another, and it's up to my readers to determine why.

Below I'm going to list FIVE groups of FOUR things. Each group has some thing in common, some thing that links each quartet. It's up to you to guess, and I'll reveal the answers tomorrow.

20 items. 5 COMMON bonds. Can you guess what they are?

GROUP 1
(A) Day Break.
(B) Drive.
(C) The Black Donnellys.
(D) Happy Town.

GROUP 2
(A) Bacon.
(B) Cheese.
(C) Croutons.
(D) Lettuce.

GROUP 3
(A) Ray.
(B) Peter.
(C) Winston.
(D) Egon.

GROUP 4
(A) Dick.
(B) Jason.
(C) Tim.
(D) Damian.

GROUP 5
(A) Mouser.
(B) Tryclyde.
(C) Clawgrip.
(D) Wart.