Answer:
What runs around all day. Then lies under the bed. With its tongue hanging out?
What is so fragile that saying its name breaks it?
My life is often a volume of grief, your help is needed to turn a new leaf. Stiff is my spine and my body is pale. But I'm always ready to tell a tale.
Different lights do make me strange, thus into different sizes I will change.
To cross the water I'm the way, for water I'm above. I touch it not and, truth to say, I neither swim nor move.
Special abilities and brightly colored underwear are all you need to be one of these.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?