Performed by Spongebob Squarepants, "Jellyfish Jelly" is a vibrant track from the 2005 compilation album The Yellow Album. As part of the show's musical identity, the song blends upbeat pop-rock with the distinctive vocal style of the titular character, capturing the whimsical and energetic spirit of Bikini Bottom. Released alongside other iconic tracks like the Spongebob Squarepants Theme Song and Doing the Sponge, the recording serves as a staple of the series' soundtrack, reinforcing the character's personality through its catchy melody and playful lyrics. The song remains a defining element of the character's public musical presence, often featured in promotional materials and fan compilations celebrating the animated series' enduring legacy.