What does below Rebus say?

XLR8

How is a fly different from a mosquito?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

What has 13 hearts but no other organs?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?