High-Pitched AI Voice for Kids' Roblox Videos

I'm looking for a fun, high-pitched AI voice for kids' Roblox videos. The voice should be:

- High-pitched and energetic (but not annoying)
- Friendly and fun for kids
- Similar to the style used in popular Roblox channels for kids
- Usable through ElevenLabs, PlayHT, or any similar text-to-speech platform

Requirements:

- A custom voice model I can use to generate speech by just typing text
- Help setting it up if needed (for example: in ElevenLabs or another tool)
- Bonus if you can give tips on how to make it sound more natural in videos

Please send examples if you’ve done this before, or similar work.