There are many instances in the series where it is Severus Snape himself who stands out as the best character.

Since his happiest and most loving memories were with Harry's mother ... show off the students he was most proud of. The professor questioned Snape's loyalty, especially after he killed Dumbledore ...

You have your mother’s eyes,” a dying Severus Snape (Alan Rickman) tells Harry Potter (Daniel Radcliffe) in 2011’s Harry ...

The professor has obvious animosity towards ... but there is far more to it in the books. The memories that Snape gives Harry are more complex than the films have time to show.