Help IDing sump things/creatures/animals

[Holygral]

the first 2 pictures are thin translucent almost like jelly/slime. Some are a blueish color. They are all over my sump. The third picture is about 1/4" tall and is a greenish yellow, maybe some kind of sponge?

 

[class clown]

definately sponges. sign of a healthy and established tank. Nice work!

 

[NaH2O]

I agree - sponges!