He laughed at that himself and nodded.

"Yeah! Merggles. Red found 'em first so she'd have to tell you the whole story, I didn't really meet them until later. But apparently there's a passage pool that leads to their lake. There's not a whole lot of back and forth between us, if only because the tunnel is about the upper limit of us normal Fraggles' lung capacity, but it was pretty cool to discover they existed."