As we can see they have green blood.
They can also regenerate fast.
They can also duplicate after injury
The resemblance is uncanny.
They make a great means of transportation.
Cinder blocks are their natural food source.
I'm already board with this one.
They are experts in garden care; watering those plants...
...plus getting rid of those pesky vermin.
You ain't eating my carrots today.
Washing those windows so the mailman can stop to admire them.
Lumpy must be almost as bad a father as Pop... emphasis on almost.