I've just sent an e-mail to the address associated with this account, letting you know the e-mail you used to sign up for the BigRegg account. You should be able to use that for the "forgot password" info.
Although, both accounts now have 3 posts, so basically the only reason to switch back is if you liked the sounds of that username better. It's not like you racked up a ton of posts under the other name.
Either way, your call.
There's no "secrecy". No bright blinking light that says "If You're Lost, Contact Us Here", but certainly no secrecy.
You can message us through any of the social media outlets and word will get back here. And there's a "Feedback" e-mail address at the very bottom of every page on the forum: