The mice need to be re-stuffed with catnip every now and then, as they get chewed up. Stripey waits patiently at the table. (And yes, she was just sitting like this, not washing).
Here's a couple more patient cats, first Tuppy in Philadelphia, photo provided by K:
And here is "Zane"(Grey) who lives with my brother, though I think Zane belongs to someone else (my brother thinks Zane is saying "Tell them I am in a stakeholder meeting, that is what I pay you for", while I think that looks a lot like "bedface").
And finally, J in the 1960's, beginning his career as a "catman":"I'll take the kitten, you can have the puppy"