Hello! I'm Mr. Stradivarius, and I've been editing Wikipedia since 2010. I started out by editing articles on second-language acquisition and language education, but these days I am mostly involved in writing Lua modules and templates. I started learning Lua in 2013, and I've now written more modules than I have articles; check below for an (incomplete) list.
I became an administrator in August 2012 (my RfA) and I help out with administrative tasks from time to time. You are most likely to spot me patrolling Category:Wikipedia protected edit requests or working at requests for page protection. If you have any questions about an administrative action that I've taken, please feel free to ask me about it on my talk page. If I've done something stupid I'll be happy to reverse whatever I have done. (And if it's particularly stupid you can leave me a .)
Also, if you were wondering about my username: the "Mr." is so that people can avoid using things like s/he when talking about me, and "Stradivarius" is the name of a camel I once owned. (True story.) That, and I play the violin, although the one I play isn't actually a Stradivarius. A lot of editors here call me "Strad" for short, but I'll answer to most things.