Thanks to JZ for Flynn's comments (which are verbatim). My take on it is I never understand why actors who have become the "voice" of a character are never penciled in until they decide to quit. This occurs to me in the case of Evangelion. Spike Spencer and Tiffany Grant reprised their roles in the English redux, while Amanda Winn-Lee (who still does acting roles elsewhere) was replaced. I'm not saying Brina Palencia isn't a good replacement. It just seems that she doesn't need to be there. Flynn is in the same situation. The Raiden character is effective because Flynn is good at it. I doubt it's a money issue. These guys don't get dirt for money ($100 per hour in a sporadic job), so the holdup doesn't make sense.
Anyway, Flynn recited lines from KH, Zatch Bell, Fantastic Four, the new Speed Racer, and something so obscure it sounded like, "CODA KEPPY!"
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"Should I slice off your tongue or break your countless bones? Either way, I get paid; you'll bleed to death and die alone." - Blood Money