The so-called "Benesi - Pwr2" fractal. Created with mandelbulber2. It has similarities to the Mandelbrot set, which also has a kind of thin line at the left end, while the majority of the "body" sits on the right.
<a href="//commons.wikimedia.org/wiki/User:PantheraLeo1359531" title="User:PantheraLeo1359531">PantheraLeo1359531</a>
<span class="int-own-work" lang="en">Own work</span>