[Lammy]

TIL the term "asperand" for the @ sign http://chebucto.ns.ca/~ak621/DOS/DOS-Char.html https://en.wikipedia.org/wiki/Asperand

[speps]

You skipped that part of the Wikipedia article: "but none of these have achieved wide use."

Arobase is used a lot in France, probably like the other Spanish and Portuguese terms. However, the English ones not so much.

[Lammy]

I didn't say anything about its popularity, just that I liked it and had never seen it before :)