|Season(s):||Beetleborgs Metallix 2|
|First Appearance:||Horror Hotel|
|Number of Episode|
When Flabber and the monsters converted their mansion into a hotel, Fernzilla was mong the hotel guests disguised as an old hag . Fernzilla is a fern monster that could control vines to entangle the Borgs and shot out deadly pollen spores from the vines sprouting from her head. She ended up losing to the Beetleborgs when she was shot by their Data Lasers. Her picture was seen among the many of Les' drawings that were combined with toxic chemicals and Nukus' powers to create Repgillian.