That's the Italian Stallion when he was a baby.
3 seconds sound clip from the Rocky (1976) movie soundboard.
You can hear this line at 00:49:21.176 in the Blu-ray version of the movie.
Quote context
[...]
- Yo, why don't you come on over here and sit down? Hmm? It's a nice couch. I don't know.
- There's big bugs in there, you know. It's safer over here.
- Uh, these... these your parents?
- Yeah, that's... that's both of them there.
- Yeah, that's me when I was eight years old.
- That's the Italian Stallion when he was a baby.
- Why don't you come on over and make yourself comfortable? Relax.
- I wanna let my brother know where I am.
- Why?
- I think he might be worried.
- Well, I'll call your brother, if that's the problem.
[...]