The Little Mer-Lori Loud 2 Return to the Sea

Baby Melody - Poof [Fairly OddParents]

Melody - Jennifer Shope [Supernoobs]

Ariel - Lori Loud [Loud House]

Prince Eric - Bobby Santiago [Loud House]

Young Flounder - Dipper Pines [Gravity Falls]

Adult Flounder - Flint Lockwood [Cloudy with a Chance of Meatballs]

Sebastian - Wander [Wander Over Yonder]

Scuttle - Zig [Zig and Sharko]

King Triton - Lynn Loud Sr. [Loud House]

Tip and Dash - Rapido [Ratz] and Kaz Harada [Hi Hi Puffy AmiYumi]

Morgana - Lord Dominator [Wander Over Yonder]

Undertow [Large] - Storm King [My Little Ponmy The Movie]

Undertow [Small] - Commander Peepers [Wander Over Yonder]

Cloak and Dagger - Bendy [Foster's Home for Imaginary Friends] and Aku [Samurai Jack]

Grimsby - Mr. Green [The Powerpuff Girls]

Chef Louis - Rat [The Modifyers]

Max - Bunsen [Bunsen is The Beast]

Carlotta - Wendy Corduroy [Gravity Falls]

the Music Conductor - Uncle Grandpa

the Handsome Boy at Melody's party - Socks Morton

the 3 Children at Melody's party - Chloe Carmichael [Fairly OddParents], Chowder and Rob The Robot [R.O.B]

The 5 Male penguins - Mice Characters

the Mother Penguin - Mama Mousekewitz [An American Tail]

the Baby Penguin - Yasha Mousekewitz [An American Tail]

Flounder's children - Kids [The Powerpuff Girls]

Harold the Seahorse - Jeff the Spider [The Grim Adventures of Billy and Mandy]

Captain - Greg Universe [Steven Universe]

Sailors in Down to the Sea - Scotsman [Samurai Jack] and Armando [Pirate Express]

Trumpeters - Wedding Trumpeters Ponies [My Little Pony Friendship is Magic]

Drummers - Beeza's Drummer [Wander Over Yonder]

Adelle - Ex

Alana - Star Butterfly [Star vs. The Forces of Evil]

Andrina - Teodora [Legend Quest]

Aquata - Jenny Wakeman [My Life as a Teenage Robot]

Arista - Kitty Katswell [T.U.F.F Puppy]

Attina - Enid [OK K.O. Let's Heroes Be]