The story behind the design of the Pokémon Goodra and its pre-evolution Goomy is a fascinating tale that combines elements of Japanese role-playing games, real-life nature, medieval folklore, and scientific concepts. Goodra, a Dragon-type Pokémon, has always been a favorite among fans for its unique design and lovable appearance. Despite being considered one of the weakest Pseudo Legendary Pokémon, Goodra's background is filled with interesting references and inspirations.

The design of Goomy and Goodra draws inspiration from Japanese Role-Playing Games (JRPGs), particularly Dragon Quest, where slimes are iconic creatures. These weak and blob-like creatures are popular in JRPG culture and have become symbolic of the genre. The evolution of Goomy into Goodra reflects the journey from a weak and slimy creature to a powerful and majestic Dragon-type Pokémon.

The antenna-like structures on Goomy and Goodra are inspired by slugs and snails, which are known for their slimy appearance and unique features. The idea that Goomy will die if it dries out mirrors the vulnerability of these creatures in real life. The evolutionary line of Goomy, Sliggoo, and Goodra allude to the transformation from a weak creature to a formidable dragon.

The concept of a “snail dragon” is rooted in medieval folklore, where knights were depicted fighting mythical creatures, including snails. Goodra's design takes inspiration from Lou Carcolh, a dragon-like mollusc-serpent hybrid from French folklore. The design of Goodra's antenna and its powerful attacks are reminiscent of this legendary creature.

Additionally, the viscoelastic properties of materials like Pseudo-plastics explain Goodra's ability to absorb and reflect stress, much like a real snail or slug. This concept ties in with the overall design of Goodra and its ability to withstand attacks and deliver powerful blows in return.

In conclusion, the design of Goodra and Goomy is a complex and multi-faceted story that combines elements of mythology, nature, and scientific concepts. The evolution of Goomy into Goodra reflects a journey from weakness to strength, mirroring the transformation of a simple slime creature into a powerful dragon. The rich background and lore behind Goodra's design make it a fascinating addition to the Pokémon universe.