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| PERFORMER | Tyler Bunch |
| DEBUT | 2009 |
| DESIGN | Paul Andrejco |
Riona is Snook's niece from It's a Big Big World who is a baby sloth that serves as the co-host of Season 2 and provides all of the comic relief moments in that season (replacing Wartz and Madge), performed by Tyler Bunch. She debuted in Season 2.