larger than life

US /ˈlɑːrdʒər ðæn laɪf/
UK /ˈlɑːrdʒər ðæn laɪf/
"larger than life" picture
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.