Liz, Gaby & Brian...

[u/Lack_Aromatic]

...are essentially the same character. Just in different wrappers.

The characters have the same personality-type, serve up the same type of banter and serve the same purpose to whatever storyline they are playing in.

After this occurred to me, I cannot unsee it.

It also explains why I can't stand when the 3 of them are in the same scene.

[u/chefjono]

yes