Who said "Don't disappoint me, Peter."?

This quote is attributed to Doctor Octopus.

Don't disappoint me, Peter. - Doctor Octopus

"Don't disappoint me, Peter."

Doctor Octopus

"The cunning warrior attacks neither body nor mind... but the HEART."

"I'm something of a scientist myself."

"Back to formula!"

"You know, I'm something of a scientist myself."