larger than life
US /ˈlɑːrdʒər ðæn laɪf/
UK /ˈlɑːrdʒər ðæn laɪf/

1.
having a striking or exaggerated character; impressive or memorable
:
•
The movie star had a larger than life personality that captivated everyone.
•
His reputation grew to be larger than life after his heroic act.