When someone says "to need an introduction," it means that a person or thing is so well-known or famous that most people already know who they are, and it's unnecessary to introduce them.
Sentences with «to need an introduction»
Next up we have eggs, which really don't need an introduction. (mummytries.com)
This game really needs no introduction so let's just get right to the verdict: It passed. (monstervine.com)
Hello again, Today we are very pleased to have another interview to share with you, a man who needs no introduction. (tabletroms.com)