Big Brother

You Conjure up a giant potato. This Potato refers to you as little brother as you summon it. The Potato is a large creature with legs, arms and a face. The Potato can not be hurt nor damaged. You send the potato to a creature within 30 of you. When the potato reaches the creature the target must succeed a strength save DC=the casters spell save dc or become grappled. The creature can repeat the save at the end of each of its turns. If creature succeeds the save as a bonus action on each of your turns you can have the potato target another creature. 

"He just wants a hug."