Valliance (Earth Pony)
Audience Surrogate: He's quite relatable to anyone with anxiety, autism, or both.
Girl Next Door: Gender-flipped example.
I just want to have friends: He wants to make friends, but he admits his shy nature is hindering him from being able to talk to anyone.
Implied Love Interest: He harbors feelings for Rarity.
Nice Guy: Nice stallion to interact with once you get him out of his shell.
Shrinking Violet: Harbors a rather quiet, intoverted nature.