We should still maintain secrecy of the Crown, which is one of the reasons I am not actually putting this into my vote (yet). So, this should be a secret we could plausibly have learned from someone. Ideally from Emma-O. Hmm, maybe formulate the question as "what is the most embarrassing secret of MIkaboshi that he knows is known to Emma-O?". This way we could further point the finger at Emma-O.I don't see a reason not to be petty. Maybe we could ask what his childhood nickname was and spread it around to the rebels on the way out the door. That or just give him an cutesy one ourselves and imbed it in insults.
Tagging walls with "Mik the Prik" or "Miki, what would Minnie say about this?" As we run around the city post bombing would be funny.
Can you imagine the credibility damage of being dread lord Miki? People would think Disney launched a gritty remake of the Sorcerer's Apprentice.
If I knew any Japanese at all I'd be tempted to check what sort of puns we could make based on the character composition of his name, but this is about as close as I can get.
The other issue with this is that we lack means of delivery. I mean, Clippy might be capable, and we are bringing her (I think? Are we?). Speaking of, we should probably have some manner of wearable cyberdevil harness with ECM capability. @DragonParadox any sort of equipment like that in the Courts? Something small, wearable, with a self-destruct probably. With recording and transmission capability. Actually - do we have any secure short-range communicators? So we could communicate beyond line of sight.