For the cookie truffles: Combine the cookie crumbs and cream cheese in the bowl of a stand mixer and beat until a thick non-sticky dough is achieved. Roll dough by the generous tablespoon into 21 balls.
For the coconut hazelnut: Press a hazelnut into the center of each of 7 truffles. Dip in the white chocolate and roll in the coconut. Place on parchment paper to set, about 30 minutes.
For the grasshopper: Make a hole in each of 7 truffles and stuff them with the chocolate-covered mints. Dip in the chocolate and garnish with a drizzle of green chocolate. Place on parchment paper to set, about 30 minutes.
For the circus animals: Make a hole in each of 7 truffles and stuff each with a piece of a circus animal cookie. Dip in the pink chocolate and place on parchment paper. Garnish with the multicolor nonpareils. Let stand until set, about 30 minutes.