Couple ID's please

[the_wrath]

Hello everyone, I got some Liverock today and could use a little help identifying a couple of them.
First one I have no clue what that is.
Second one, are those Hydroids or tunicates?
Third one is blurry, but there is some small crab there in the rock. Thank you.
Will

 

[nissan577]

im sorry but what stuff are you taling about?

 

[meowzer]

In the 1st 2 all I see is algae....the 3rd I don't know what you are talking about

 

[the_wrath]

sorry,
First picture is the purple humps on the top of the rock.
The second are the small brown tubes in the center of the picture.
In the third picture ( i know it is blurry) the very light brown spot, just to the right of the center of that picture.

 

[the_wrath]

Here is a closer picture of the purple stuff.

 

[the_wrath]

Here is a better picture of the crab, I think it may be a gorilla crab.