Answer:
I always go to bed with my shoes on.
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I am carried by mad animals.
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
What made Cyclops quit teaching?