The Kiddie Kats are a band. Katerina, Annabella and Rodney Von Kiddie Kat are siblings.
They are all students at the Kidzter Music School and best friends with Eva, Jimi and Carlos, the Kidzter Kids.
Their vocals and instrumental sounds are provided by Jesse & Paula Bradman.
You can listen to their music here:
We Will Meow You
Song Space Cat Oddyssey