All of the recommended characters presented in the crowd were killed after the Volcano erupted.
Shown but not recommended in Episode 23Jacknjellify stated that "characters that have not been shown will appear in Episode 23."
NOTE: It is unclear when the group of RCs breaks from Ep21 to Ep22. Cotton is considered here to be the rightmost RC recommended in Ep21.
Recommended in BFDI 21
Recommended in BFDI 22
Bubble Troll Face
Cat Dog Waffle Cloud
Creepy Stick Man
Evil Happy Face
Evil Speaker Box
Evil YouTube Like/Dislike Button
Ruby has a similar design to this character when she is shown in The JingJing Squisher (10 year anniversary).
Leafy And Firey As A Couple
Match And Firey As A Couple