#WorldFrogDay: "Horned Frog" from The Naturalist's Miscellany, v.3,pl.76 (1791-2) by George Shaw. BHL: https://biodiversitylibrary.org/item/155192#page/18/mode/2up
Maybe this Surinam Horned Frog wouldn't look so happy if it could read what Shaw wrote about it in its description...
""Should inquiry be made, which is the ugliest animal yet known to exist? The creature here represented might perhaps with justice be proposed as an answer: an animal of such prodigious deformity as even to exceed in this respect the Surinam toad...."