Toadal Dude is a humanoid Yo-kai with pale beige skin, tidal blue facial markings, and long dark hair in a ponytail with a dull red bulb like tip, all tied with a red hairband. He wears a eco haori with golden colored cotton fluff, a lime green short kimono with the same cotton fluff held by a red-orange obi, eco green pants, baby blue socks, and zori sandals.
In contrast to his rival Arachnus, Toadal Dude is free-spirited and pretty nonchalant. Loves spicy food to the point of going berserk when he eats it. Has a tendency to use a lot of slang. In the japanese version he often adds the word "Gekko!" (croak) to his sentences.
Toadal Dude and Arachnus are rivals at first (in Yo-kai Watch 2), but after a series of events in the game, both, Toadal Dude and Arachnus call a truce and become allies.
Uber Geeko is Toadal Dude's cousin (according to the medallium) and pallet swap.
In the first movie Toadal Dude was a part of Nathaniel's team.
To befriend Toadal Dude, the player must first complete the game's main story and unlock the S-rank watch, after that, receive the Fleshy Soul-only quest: "The Fleshy General" from Toadal Dude himself at Flatpot Plains. Collect a Bun of Oneness, which are rarely dropped by Chymera at the Infinite Inferno or Kyryn at the Divine Paradise, then give it to Toadal Dude and he will battle you. After battling him, he will automatically befriend you, completing the quest.
"Toadal Dude" is a combination of dude, toad, and total.
"Eleganfibio" is a combination of the spanish words "elegante" (elegant) and "anfibio" (amphibian).
Toadal Dude is based on the youkai called ōgama (Japanese: 大蝦蟇,ōgama lit. "giant toad"), which is also his Japanese name. An old toad that turned into a youkai, it grows larger and more dangerous with age: it can take residence in a house's crawlspace, and make the inhabitants fall sick one after another. In the worst cases, it'll even possess people.
Ogama's appearance might also be based on the eponymous protagonist of Jiraiya Gōketsu Monogatari, a skilled ninja and noble bandit, who mastered frog summoning magic, similarly to another Yo-kai based on Orochimaru (Venoct#Origin).