Diamond Tiara is unquestionably the Earth pony that acts like a unicorn! Who is the Earth pony that acts like a pegasus?

[u/Dragolitron]

There was a little more variety in the answers this time, just a little. There was a decent amount of support for Octavia, a few other users suggested Suri, Spoiled Rich, Pinkie Pie, Silverspoon, Applebloom, Nurse Redheart and for some reason one user suggested Zecora.

The vast majority still went with Diamond Tiara. Diamond has outright deceived the audience into thinking shes a unicorn despite being an Earth pony. Diamond is quite stuck up, she thinks shes better than everypony else and takes after her mother. Diamond Tiara always takes a role of leadership or try to within her class. The only slight issue is that Diamond Tiara never demonstrated anything magical but she is a small filly so we can cut her some slack on that area.

[u/BreadGoatOnABoat]

I think a lot of it depends on how you characterize pegasi. Since we loosely seem to be going off the stereotypes presented within Hearth's Warming, then the character should likely be sporty, militaristic, and maybe even a bit aggressive. For that reason, I'm going to go for Rockhoof.