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First appearance New Super Mario Bros. Wii (2009)
Latest appearance The Super Mario Bros. Movie (cameo) (2023)
Variant of Jelectro
Subject origin Jellyfish

Jellybeams[1] are a jellyfish enemy introduced in New Super Mario Bros. Wii. Their name is a pun on jelly bean, as well as a portmanteau of "jellyfish" and "beam". Their appearance is reminiscent of Jelectros from Super Mario Bros. 3.


Super Mario series[edit]

New Super Mario Bros. Wii[edit]

World 8 (New Super Mario Bros. Wii)
Mario encountering three Jellybeams in New Super Mario Bros. Wii

In New Super Mario Bros. Wii, Jellybeams are only found in World 8-4 and serve to illuminate the dark waters. They are found along with Stone Spikes, Cheep Cheeps, Deep-Cheeps, Bloopers, and Bulbers.

Jellybeams move up and down slowly. Despite helping Mario to see underwater, they can also hurt him if Mario touches them. Jellybeams can be defeated with fireballs or a Super Star. Mario can also freeze them, causing them to stop moving, but they will continue to illuminate the water. When a "bah" is heard in the music, Jellybeams briefly flash their lights.

New Super Mario Bros. U / New Super Mario Bros. U Deluxe[edit]

Jellybeams reappear in New Super Mario Bros. U acting in the same manner as in New Super Mario Bros. Wii, and appear only in Deepsea Ruins of Soda Jungle with Bulbers, Fish Bones, and Circling Boo Buddies.

Mario Kart series[edit]

Mario Kart 8 / Mario Kart 8 Deluxe[edit]

Jellybeams in Mario Kart 8

Jellybeams appear in the underwater segments of GCN Sherbet Land, Dolphin Shoals, and Piranha Plant Cove in Mario Kart 8 and Mario Kart 8 Deluxe. They illuminate the water around them but do not actively interact with drivers.

Mario Kart Tour[edit]

In Mario Kart Tour, Jellybeams appear at the beginning of the underwater section of Piranha Plant Cove 2. Like the bumpers in DS Waluigi Pinball, they bounce away drivers who run into them, even if said drivers are under the effects of a Frenzy, Mega Mushroom, Bullet Bill, or Super Star. Jellybeams grant bonus points when hit with an offensive item (except for a Banana or Giant Banana) or when simply driven into; if a driver lands on top of a Jellybeam, they additionally receive a Jump Boost. Most items, when thrown, break on contact with a Jellybeam, while others are bounced away (Bananas and Giant Bananas) and some pass through it (Bowser's Shells and Giga Bob-ombs).

The Super Mario Bros. Movie[edit]

An illustration of a Jellybeam can be seen on the storefront sign of a fish shop in Toad Town.


Names in other languages[edit]

Language Name Meaning
Japanese ライトクラゲ[2]
Raito Kurage
Light Jellyfish

Chinese (simplified) 发光水母
Fāguāng Shuǐmǔ
Glowing Jellyfish

Chinese (traditional) 發光水母
Fāguāng Shuǐmǔ
Glowing Jellyfish

French Luméduse
From lumière ("light") and méduse ("jellyfish")
German Qalle
From Qualle ("jellyfish")
Italian Medulampada[3] (New Super Mario Bros. Wii)
Medusilla[4] (New Super Mario Bros. U)
Medusella (Mario Kart Tour)
Portmanteau of medusa ("jellyfish") and lampada (lamp)
From medusa ("jellyfish") and the diminutive suffix -illa; shared with Jammyfish
From medusa ("jellyfish") and the diminutive suffix -ella
Korean 젤리빔

Portuguese Água-luz
From água-viva ("jellyfish") and luz ("light")
Spanish (NOA) Meluza
From medusa ("jellyfish") and luz ("light")
Spanish (NOE) Medusiño
Portmanteau ofmedusa ("jellyfish") and niño ("child")


  1. ^ Bueno, Fernando. New Super Mario Bros. Wii PRIMA Official Game Guide. Page 161.
  2. ^ Nintendo of Japan. "CHARACTERS of New Super Mario Bros. U Deluxe". CHARACTERS of the Super Mario Bros. series (official Japanese character index). Published 2020. Retrieved March 20, 2021.
  3. ^ Super Mario Bros. Enciclopedia. Page 146.
  4. ^ Super Mario Bros. Enciclopedia. Page 210.