Youngmee Song is one of Blythe Baxter's best friends, whom she met during her first day at Downtown City High, along with Sue Patterson and Jasper Jones. She is also the only person to be aware of Blythe's secret ability to talk to animals.
- Youngmee appears to spend more time with Blythe than her other two school friends. This may be due to her aunt's shop nearby Blythe's house and the pet shop.
- She speaks Korean as revealed in "Tongue Tied".
- Youngemee is the first and (so far) only person to be aware of Blythe's secret.
- As of Pet Sounds, she is trying to replicate Blythe's ability to talk to pets using Buttercream Sunday and Minka Mark with no success.
- Youngmee will meet Team Robot in Team Robot In Littlest Pet Shop & will be guest starring in Team Robot In Pokemon XY The Series