It looks more like this with a custom "i"

I'd say it's custom. I'm willing to bet Avicii has enough money to hire a graphic designer that can make this on Photoshop in 5 minutes.

This with custom splash effects:

I'm almost positive the two "E"s and the "B" are custom. But the rest of the letters look like a version of this that has been flattened slightly.

Definitely in the Dynamo family... I was thinking it was specifically this:

Sorta...

La parte de "Sandro" se ve así:

The "epic" looks like this with a customized dot on the "i".

It looks like this with a customized "A"

I think the "#MARRIED2MED?" (The top one) is this:

The yellow text is this:

Not exact, but probably similar a this with a few customizations: