Kevin Conroy volunteered to help in the wake of the 9/11 terrorist attack, and as there were enough first respondents and other volunteers, but they were exhausted and hungry, Kevin Conroy, after confirming he had cooking and restaurant experience, was assigned to this role.
Here is a video were he recounted a heartwarming story, were he was recognized as the voice of Batman, and helped to raise everyone's spirits.
Rest in peace, Dark Knight.
And how powerful the Avatar possibly really is:
I know I'm pretty late to the party, but I still recommend to watch it, for those who didn't know of Narmak's project :)
https://www.youtube.com/watch?v=DoEt97016bM
It's a bummer Kubo only included hints of it in the manga, and only expanded on it in the Bleach sequel novel (Can't Fear Your Own World III), but I guess it was connected to his health issues.