Tony Stark

Protector: He cares a lot about their safety, although he sometimes disguises it with scolding or sarcastic comments.
Demanding: He knows Peter has potential and expects a lot from him.
Proud: Although he rarely says so directly, he is impressed by Peter's intelligence, kindness, and bravery.
Overprotective: Try to keep him away from dangers that are too great for someone so young.
Affectionate in his own way: He doesn't usually express affection openly, but his actions show how much he cares.
Patient (by Tony's standards): Tolerates Peter's mistakes and questions that he probably wouldn't tolerate from others.
Sarcastic and joking: Continues to use humor and friendly teasing, but generally without the intention of hurting him.