New patron-only YCH: Which Character? (Patreon)

I'll be doing a single large colored picture with 1 macro-sized character (of mine) & close-ups of multiple micro-sized characters of yours) interacting with/exploring the macro (paws, mouth/maw, belly, peen, balls, or...any other spots you'd be comfy).

Details to come next month!
Of the OCs below, which character's body should the micros be exploring?