With this pattern you can make your own Mini Ralph
The pattern is very detailed and contains a lot of pictures. It was tested by native English speaking testers.
It’s written in US crochet terminology, but contains a UK/US terminology and crochet hook comparison chart

Basic Skills Necessary:
magic circle
chain stitch
single crochet
slip stitch

Sizing / Finished Measurements:
about 4″ (10cm) high .

Materials:
yarn
crochet hook
soft stuffing
tapestry needle
scissors