Who said "Your father was like a brother to me."?

This quote is attributed to Green Goblin.

Your father was like a brother to me. - Green Goblin

"Your father was like a brother to me."

Green Goblin

"Out, am I?"

"You know how much you've sacrificed to fight me? Everything! But the cunning warrior survives by admitting what he is."

"The cunning warrior survives by admitting what he is."

"I'm something of a scientist myself."