: Use a cube rotated 36° on the X-axis to align with the brow area.
: Start with an eight-vertex circle , extrude and scale it to form the shape, and merge the final vertices at the center. Working with Text Blender Sonic Model
: Use Curve Paths to create the signature spikes. You can adjust the radius of the curve handles to taper the tips to zero for a sharp look. : Use a cube rotated 36° on the