Voila! Vikings

Look what I've done! I turned Chip and Caoimhe to Vikings:

Since both of their heads are very small, I had to modify and simplify this Viking Helm pattern from Reckless Stitches (Ravelry) [click here to directly download the PDF].

Here is my pattern version, this is based on Caoimhe's helmet. I used 40 gr threads and 4 mm hook for Caoimhe's and 3 mm hook for Chip's:

Hat

Use grey yarn. Create a magic circle.
R1: sc 6 into the circle, sl st into front loop to close circle (6)
R2: ch 4, tr 1 into front loop of 1st sc of R1, tr2 into front loop of each sc around, sl st to close
ring (12)
R3: sc into the back loop of the tr and into the back loop of the first round to make a ridge for 12,
sl st to close ring (12)
R4: ch1, sc1 into 1st st, sc2, *inc 1, sc2* repeat to end, sl st to close ring (18)
R5: ch1, sc1 into 1st st, sc2, *inc 1, sc3* repeat to end, sl st to close ring (24)
R6-14: Continue to increase by 6 stitches each round by adding another stitch between each
increase until Row 14; you will have 78 stitches around.

If you need it smaller, just stop at any lower row.

R15: sc throughout (78)
R16: tr into front loop of each sc, sl st to close (78)
R17: sc into back loop of the tr and into the back loop of the last row of grey stitches to create a
ridge (78)
R18-22: sc around, sl st to close (78)

If you need it taller, you can add more rows here

R23: tr into front loop of each sc, sl st to close (78)
R24: sc into back loop of the tr and into the back loop of the last row of brown stitches to create
a ridge (78)

Tie off and weave in any ends

Horns (make 2)

Start with white yarn. Make a magic circle.
R1: sc 4 into circle (4)
R2: sc, inc, sc , inc (6)
R3: sc, inc, sc 2, inc, sc (8)
R4 & 5: sc 8 (8)
R6: sc, inc, sc 3, inc, sc 2 (10)
R7: sc 10 (10)
R8: sc, inc, sc 4, inc, sc 3 (12)
R9-10: inc, sc 4, invdec, sc 5 (12)
Change to grey yarn.
R11: sc throughout (12)

It is recommended to stuff the horns so that they keep their shape. If you don't have the craft stuffing, you can use anything from cotton, tissue, plastic bag, or scrap clothes. Just make sure it's the same colour with the horns!