Kerbalizer
From Kerbal Space Program Wiki
Kerbalizer is a utility on the official Kerbal Space Program website that creates custom design Kerbals. These Kerbals cannot be used in or transferred to the game, so they are for graphical purposes only.
Pricing and Details
The Free Version allows users to create a custom Kerbal, dress it, change its hairstyles, change facial details, and give the Kerbal accesories. Later, the users can share their creation, or download it. [1]
The Paid Version ($2.00 USD) includes all of the features of the Free Version, but users can also change colors of clothing and hair, animate Kerbals to put them into any position, use different backgrounds, and add more different things.