Ãona

Ãona is an upcoming American-Brazilian animated children's television series created by Sophia Petion for Nick Jr. It is set to premiere on October 15th, 2025.

Premise
Set in Rio de Janeiro, Brazil, the series centers around a 3-year-old Brazilian girl named Ãona Costa who teaches Portuguese and Brazilian culture to young viewers. In the Portuguese dub, the series only teaches Brazilian culture to young viewers.

US

 * Kari Wahlgren as Ãona Costa, Erno Guimarães-Rodríguez, additional voices
 * Tara Strong as Lísa Costa, Kala Naros, additional voices
 * Richard Steven Horvitz as Mr. Costa (Papai)
 * Candi Milo as Mrs. Costa (Mamãe)
 * Cree Summer as Maria Serra, Caio Serra
 * Grey DeLisle-Griffin as João Niçón, Mrs. Manika, additional voices
 * Liliana Mumy as Çâmilia Guimarães-Rodríguez, additional voices
 * Kimiko Glenn as Hari Manika
 * Jessica DiCicco as Tala Naros
 * Phil LaMarr as Mr. Serra
 * Yvette Nicole Brown as Mrs. Serra
 * Jeff Bennett as Mr. Niçón, additional voices
 * Jack McBrayer as Mr. Guimarães
 * Izabella Alvarez as Mrs. Rodríguez
 * George Takei as Mr. Manika
 * Lauren Tom as Rati Manika
 * Eric Bauza as Mr. Naros
 * Ana Ortiz as Mrs. Naros
 * Dee Bradley Baker as Brazilian Animals

UK

 * Alex Kelly as Ãona Costa
 * Kate Harbour as Lísa Costa, Kala Naros, additional voices
 * Marc Silk as Mr. Costa
 * Candi Milo as Mrs. Costa (also in the UK dub)
 * Joanna Ruiz as Maria Serra, Caio Serra, additional voices
 * Tasha Lawrence as João Niçón, additional voices
 * Teresa Gallagher as Çâmilia Guimarães-Rodríguez, additional voices
 * Kimiko Glenn as Hari Manika (also in the UK dub)
 * Isabella Blake-Thomas as Tala Naros
 * Lenny Henry as Mr. Serra
 * Floella Benjamin as Mrs. Serra
 * John Sparkes as Mr. Niçón, additional voices
 * TBA as Mrs. Niçón
 * Joe Sugg as Mr. Guimarães, additional voices
 * Izabella Alvarez as Mrs. Rodríguez (also in the UK dub)
 * George Takei as Mr. Manika (also in the UK dub)
 * Lauren Tom as Rati Manika (also in the UK dub)
 * Grey DeLisle-Griffin as Mrs. Manika (also in the UK dub)

Portuguese (dub and dialogue)

 * Melissa Garcia as Ãona Costa, Hari Manika, additional voices
 * Iara Riça as Lísa Costa
 * Charles Emmanuel as Mr. Costa, additional voices
 * Priscila Amorim as Mrs. Costa, Çâmilia Guimarães-Rodríguez, additional voices
 * TBA as Maria Serra
 * TBA as João Niçón
 * Mariana Dondi as Tala Naros
 * TBA as Mr. Serra
 * TBA as Mrs. Serra
 * Ítalo Luiz as Mr. Niçón
 * Luciano Monteiro as additional voices

Spanish
The Spanish dub is dubbed in Chile.
 * Carolina Ayala as Ãona Costa
 * TBA as Lísa Costa
 * TBA as Mr. Costa
 * TBA as Mrs. Costa (also in the Spanish dub)
 * Paula Barros as Maria Serra
 * TBA as João Niçón, Hari Manika, additional voices
 * TBA as Çâmilia Guimarães-Rodríguez
 * Sebastian Dupont as Mr. Guimarães
 * Carlo Vázquez as Mr. Manika
 * TBA as Mrs. Rodríguez
 * TBA as Mrs. Naros