Swosh is similar in appearance to Dromp, except that he has a blue color scheme, with a combination of a dark and a light shade of blue. The grass on top of his head is aqua green.
Yo-kai Watch Anime
Swosh first appears in EP079 where is among the Yo-kai that cause trouble for Nate and his friends during their day at the beach. While Roughraff makes Nate, Eddie, and Bear daydream on what Katie's swimsuit will be, Swosh makes Eddie cool about things that includes a bird pooping on him. When Nate, Eddie, and Bear's swimsuits soon fall down, Swosh makes them not care. Swosh eventually leaves and gives Nate his medal.
Swosh appears on the beach side by Rolling Waves Park in Downtown Springdale on rainy nights.
Yo-kai Watch Wibble Wobble
In the Japanese version, PuniPuni, Swosh was available in the Dream Roulette temporarily during the Whisper event.
Yo-kai Watch 2
Take the quest "The Sea God" at Little Haven Station. Go to the shrine in San Fantastico and wait until dawn. Encountering the shrine right before dawn makes Swosh come out and fight you. After you beat him, the quest will be completed. After, wait a day, and go to the shrine right before dawn again. You should be able to fight him once a day/soft reset and befriend him through normal means.
Yo-kai Watch Busters
Swosh can rarely be befriended as a reward for beating SV Snaggerjag in Boss Rush.
Otherwise, he can also be found on patrol in San Fantastico.
Swosh, as Umibozu Red Wall, can be freed from the Crank-a-kai with a Orange Coin, or an Orange Coin G.
Yo-kai Watch 3
Swosh can be found in the North Pista District of St. Peanutsberg
Alternatively in the 2.0 update he can be found in multiple dungeons in the Busters-T mode.
When defeated, Yo-kai in the front will recover HP.
Abilities and Powers
Swosh makes anyone he possesses have a wide and forgiving heart as big as the ocean, although that forgiveness can really go overboard in some cases.
Befriending: "Your heart is wider than an ocean... We are...same."
Daily battle: "Oh! I'm so glad you stopped by! I think I nearly overslept again... Now, shall we battle? It always help keep my rough waters at bay."
Yes: "All right, human... Let's battle! Gw...GWARR... GWAARGLE!"
No: "Oh. Well then, maybe I'll just catch a few more winks."
Befriending (failed): "...Oh my, I'm so embarrassed! Did my waves of anger surge to the surface yet again?"
Befriending (success): "Oh! I'm so happy you've returned! Do you see, my friend? Your heart, deep and wide, has kept me at peace! May our alliance last through storms and swells! [...] Heh! I hope you still come back to visit from time to time!"
Its random names are: Oshan, Agua, Seadude, and Wintea.
As of Yo-kai Watch 3, Swosh has the 2nd highest HP stat out of every Yo-kai only being beaten by the Merican Legendary Bourgeois G.
Swosh is based on the Umibōzu (Japanese: 海坊主,Umi-bōzu, literally "sea monk"), which is also his Japanese name. This youkai appears as a pitch-black, oily giant emerging from the sea causing huge waves, staring down at ships with huge brilliant eyes. The name "monk", like for other similarly named youkai, is owed to its smooth, round head, like a ordained Buddhist monk's shaven scalp. Seasoned sailors know to remain silent and sail by quietly if they spot one, because this youkai dislikes screaming and loud noises, and will promptly smash the source of its annoyance to bits if provoked. Some sources claim the Umibozu s actually a giant octopus, or an enormous sea lion.
"Swosh" could refer to the sound of the rolling waves.