Touted as the lowest form of humour, Yet understanding me shows that you're clever. I'm wordplay that often receives little appreciation. For example, I told a chemistry joke, but got no reaction!

I am the art you've perfected while achieving nothing at all. You're reading this riddle instead of doing what you should be doing right now. I'm your best excuse and your worst habit. What am I?

I'm the one thing your friends have that you cannot find, Not because I don't exist, but because you never leave your room. Your mom keeps asking about me at every family dinner, And your pillow is getting tired of being your only companion.

A character from a show, where everybody knows your name. Also, a thing the current president is driving us off, with no shame

A declaration by a famous sleuth. A type of particle. A school where one probably learned to spell this.