Hot damn. Great question, I'd love to tell you.
High Fantasy
Look, this rainfrog is called Breviceps bagginsi, so I don't have a lot of choice, now do I?
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Also, I would go with them to the end. Into the very fires of Mordor.
Low Fantasy
Phyllomedusine hylids have a certain weird clown marionette vibe to them. Just look at these Pithecopus rohdei.
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Lovecraftian
The male Rhinoderma darwinii raises his tadpoles in his vocal sac.
Sci-Fi
Gephyromantis pseudoasper sometimes wear handsome stripes—very Space Age™
But more importantly, their calls evoke a battle with laser-blasters.
I filmed this calling male in 2017 at an obscene hour of the morning.
Horror
Trichobatrachus robustus, aka the Hairy Frog, has flanks and thighs covered in weird, hair-like outgrowths that increase oxygen exchange over its skin, and BREAKS ITS FINGERS TO STAB YOU WITH CLAWS MADE OF BONE
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Romance
Breviceps males physically glue themselves to the back-ends of females, and if that's not romance, I don't know what is.
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Comedy
Nyctimantis arapapa are probably amongst the funniest-looking frogs out there.
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Adult
The 'poly' in Polypedates may be a double entendre
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Crime and Mystery
Calyptocephalella gayi is a Galaxy Brain frog.
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Speculative
Myobatrachus gouldii is basically what would happen if you decided to try to build a turtle, but you only had frog pieces in the kit.
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