Find and develop your brand. Once you have it, make it consistent on all platforms. Your:
and all other accounts must show a consistent brand.
When you find your brand, only play the characters that fit into that type. By doing that you will become an expert in that field or character and anytime a director casts that type, they will call you in.
Anytime you play that character make sure to post and write about your experience playing that character. When other people see and hear about you playing that type of role they will start associating that type with you, leading to more work down the line.
Remember to create a memorable identity and market yourself as that specifically.