Answer:
They are toothy nocturnal immortals.
There is a word of letters three, Add one letter to it and none thereβll be. What is the word?
What time of day, when written in capital letters, is the same forwards, backwards, and upside down?
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?