Here is some pink characters off of the top of my head! : My Melody, Toadette, Princess Peach , Princess Bubblegum , Pinkie pie. (I’m sure there’s a lot more )

OMG DO AI HOSHINO FOR PINK PLEASE

Pinkie Pie Uh Sylveon And uh Patrick?

Natsu from Fairy Tail?

princess bubblegum pink panther Oh you should do rose quartz!

The pink teletuby....

i would say gaz membrane but gaz is purple :( you could maybe do patrick star