Knitted Creaper Key-chain

For this project I chose to use two different shades of green yarn; firstly because a creeper is not one plain shade of green and secondly because I had only two different shades in the same yarn PLUS more than two would have been quite complicated not to get entangled...
I took these two:

They're the same brand, which is a german one "Meine Wolle Pro Lana STAR". It's acrylic wool and it's for 3mm to 3.5mm hooks or needles. Since I had two strands, I should've taken 6mm needles, but I took 4mm instead because I wanted it to look tight.
I casted on 15 stitches, but you're free to cast on as many stitches as you like. My finished product has a side-size of 2-3inches each... Which means it's quite big, so feel free to take less.
I knitted WHILE COUNTING THE NUMBER OF ROWS FOR THE OTHER PIECES, until it had a square-shape.
I fastened off and made another 5 pieces the same way. (My pieces were 15stitches X 20rows+1off).
On the last piece I added a chain to the last corner, where I would have fastened off. It's about 15ch.
I sew the creeper-face onto one of the squares; NOT THE ONE WITH THE CHAIN!!!
I sew everything together, left a little hole to stuff it, stuffed it, sew on the end of the chain to make a loop and sew together the remaining gap. This is what my finished product looks like:

I hope it's not gonna blow up; I spent the whole night making it...
Happy Birthday little brother ♥