ID please

[Rich954]

not sure what they can be 1 is growing by my rose bubble and another in the middle of my zoa colony

 

[Tahoe61]

Bubble Algae. :-)

 

[Rich954]

Bubble Algae. :)

on the zoa or 1st pic, should i be worried

 

[Tahoe61]

In the first image I see part of a BTA and a Euphyllia/Torch coral regrowing, that is all I can make out.
In the 2nd and 3rd image I see bubble algae, it can become invasive. I would just manually remove it