It takes a lot of care to make a custom bobblehead, especially one with a Spartan fighter theme, so that the figure captures the famous and traditional traits of a Spartan. The steps you could take to make your own doll of a Spartan warrior are listed below:

Design and Conceptualization:

Historical Research: Take some time to learn about the Spartan troops' shields, weapons, and caps. It is well known that Spartan fighters wore golden caps, red cloaks, spears (dory), and shields (aspis).

Customization Details: Make your choice about the pose, emotion, and other details you want on your bobblehead. With a determined look on their face and a spear and shield in their hands, a Spartan fighter could be seen ready for battle.

Sculpting:

First Sculpting: Based on your idea, an artist makes the first model out of clay or a similar material. This step is very important for getting the likeness and details, like the shape of the muscles, the metal designs, and the helmet that can be recognized.

Changes: Based on your feedback, the artist makes any changes that are needed to make sure the model meets your needs.

Molding and Casting:

Creating the Mold: The molded model is used to make a silicone mold. With this mold, the end product will have the same detailed pattern.

Casting: It is made by pouring resin or another strong material into a mold and rolling it around. The cast is taken off after it sets, and any extra material is cut off.

Painting and Finishing Touches:

Hand Painting: Artists paint each bobblehead by hand, paying close attention to how the colors and details of the Spartan warrior's gear match the design that was chosen.

Complete Assembly: A spring or hook connects the head to the body and makes it move back and forth. At this point, more items are added, like the spear and shield.

Quality Check and Packaging:

Before being packed up and sent out, the doll goes through one last quality check to make sure it meets all the requirements and has no mistakes.

Shipping:

It is shipped to the address you choose and properly wrapped to keep it from getting damaged in transit.

For a custom order like this one, you should get in touch with a company or artist that makes unique bobbleheads and give them all the details of your design. The person making it might also ask for more information or pictures to make sure it's as close to your idea as possible.