This is a simple text widget. Add text widget in the sidebar (under Appearance -> Widgets) and then add the following text to make it like example in our live demo:
<img src = "http://brixton.premiumcoding.com/wp-content/uploads/2015/02/brixton-avatar.jpg"></img>
Hello, my name is <b>Brixton.</b> I am a blogger living in New York. This is my blog, where I post my photos, fashion trends and tips about the fashion world. Never miss out on new stuff.
Images can be added via Media -> Add new. After you upload the image simply copy the URL.