I also used a Clover Pom-pom maker 1-3/8" (35 mm) (though you can make your own pom-pom maker with cardboard... I just find the clover tool helps me make really full and fluffy pom-poms.
Sizes - preemie (medium preemie)
CO 36 (42) sts (or any multiple of 6) with black
Join in the round being careful not to twist
Knit 1 round with black
Purl 1 round with black
Knit 1 round with black
Purl 1 round with white
Knit 1 round with white
Purl 1 round with white
Stripes in body:
Knit 1 round with black
Knit 1 round with white
Repeat these last two rounds until the hat is 3-3 1/2" tall
Decrease rounds
k4, k2tog repeat for the round
knit round
k3, k2tog repeat for the round
knit round
k2, k2tog repeat for the round
knit round
k1; k2tog repeat for the round
k2tog round
Break yarn and pull through all live stitches and pull tight
Ears (make 2)
CO 10 in black (leave a fairly long tail so you can seam the front of the ear & attach to hat)
(garter stitch)
Knit 5 rows
K1, KFB, K6, KFB, K1 (12 sts)
Knit 1 row
K1, KFB, K8, KFB, K1 (14 sts)
K6, K2tog, K6 (13 sts)
K6, K2tog, K5 (12 sts)
K5, k2tog, K5 (11 sts)
K4, slip 1, K2tog, pass slip stitch over, K4 (9 sts)
K3, slip 1, K2tog, pass slip stitch over, K3 (7 sts)
K2, slip 1, K2tog, pass slip stitch over, K2 (5 sts)
K2, K2tog, K1 (4 sts)
K1, K2tog, K1 (3 sts)
slip 1, K2tog, pass slip stitch over (1 st)
Cut yarn & pull through
Using the cast-on tail - fold the front of the ear together and seam up the front 5 rows together - see photo
Then attach the ears securely to the top of the hat.
Hair
Make a black pom-pom and when trimming the ends, make each side a little flat.
Attach the 'hair' securely between the ears.
Weave in all ends