Variable: rcirc-default-nick
rcirc-default-nick is a customizable variable defined in rcirc.el.gz.
Value
"root"
Documentation
Your nick.
Source Code
;; Defined in /usr/src/emacs/lisp/net/rcirc.el.gz
(defcustom rcirc-default-nick (user-login-name)
"Your nick."
:type 'string)