Frink is the most likely to be used in additional challenges. Though Jasper is being used in Springfield heights. I have frink and hes uses in springfield heights too
I'm in exactly the same boat as you (I have 169 donuts). I'm waiting for black friday and hoping EA offer a donut rebate but if you can't wait until then I will do JimJ's job and say 'Listen to your heart tapper'.
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