Well, I pictured
Ichneumia albicauda, the White-tailed Mongoose. But we can get even closer to Ichy's moniker with the Egyptian Mongoose,
Herpestes ichneumon. However I would never denigrate Ichy by relegating him to the merely generic or species level. I'm pretty sure that Ichy named himself for the very unmongoose-like critters of FAMILY Ichneumonidae. E.g.: