Princess Ariel (voiced by Jodi Benson) is the beautiful 16-year-old princess of Atlantica. She is the youngest of seven daughters of King Triton. Jaden first met her in Jaden's meets The Little Mermaid. He helped her get Prince Eric to fall in love with her and defeat Ursula the Sea Witch's plan to rule the sea.
Ariel also meets and joins the Bugs and Daffy's Adventures team in Bugs and Daffy meet The Little Mermaid. At the end of Bugs and Daffy's Adventures of The Little Mermaid II: Return to the Sea, Merlin gives her a special locket which, when opened, gives her the ability to become a mermaid again. This proves helpful when there is an underwater situation, as in Bugs and Daffy are Finding Nemo.
- Ariel is the first every character Jaden met that is outside his world of the Yu-Gi-Oh! series. They have met before after Jaden's duel with the Admiral during Year 1.
- Ariel will guest star in her mermaid form along with Sebastian, and Flounder in Jaden's Adventures of Help! I'm A Fish.
- Ariel will meet Jeffrey and his friends in Jeffrey & Friends meet The Little Mermaid.
- Ariel will guest star again in Jeffrey, Jaden, Hiccup and Friends' Storm Adventures of Disney's Believe.
- Ariel and Sebastian will guest star in Jeffrey, Jaden & Friends' Storm Adventures of Pokemon Ranger and the Temple of the Sea.
- Ariel will meet Juniper Lee in episode 7 of Juniper Lee's Adventures Series titled Mermaid Summer.
- Ariel will meet Darkblade, Eddy, Double D and Ed in The Eds' Adventures of The Little Mermaid: Ariel's Beginning and in The Eds' Adventures of The Little Mermaid. She will also join the team.
- Ariel has been like a big sister for Eddy, Double D and Ed.
- Ariel will meet Twilight and the Rainbooms in Twilight meets The Little Mermaid, and she will become Twilight's number one favorite Disney Princess.
- Ariel is Courtney's favorite Disney Princess due to them having the love of adventure and collecting trinkets.