Here are a couple of videos on how to use Balabolka to create walkups using a player's name. Use this with bobble's info for adding echo and reverb. YooToob has more videos.
https://www.youtube.com/watch?v=-Fr_gyLB9dQ
How to add additional voices for some variety.
https://www.youtube.com/watch?v=rA5Pthx8v4I
https://balabolka.en.softonic.com/