A nick name given to individuals who challenges the CEO and other top executives $($Upper echelon$)$ by playing "devil's advocate", and sustaining peak performance is known as $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Question $45$ options:

a$)$

Gentle Giant

b$)$

Timid Bear

c$)$

Wild Turkey

d$)$

Arguing Owl

e$)$

Wild Herron