I'm Retzudo of the Internet. This is retzudo.com.
My nickname was inspired by the evil guy 柳生 烈堂 (Yagyū Retsudō) from Lone Wolf and Cub. I didn't watch the show much but I liked the name.
I'm on the internet. In lots of places. I do stuff.
You can get man GnuPG public key from keybase.io
$ curl https://keybase.io/retzudo/pgp_keys.asc | gpg --import