Ronaldo Souza
David Avellan is most well known for his grappling techniques and abilities, with matches against Ronaldo Souza, Robert Drysdale, and Demian Maia. He holds victories over Brazilian Jiu Jitsu Black Belts Rafael Lovato Jr., Tarsis Humphreys, Amaury Bitetti, Roberto Abreu, Rener Gracie, and Alexandre Ribeiro. He has been featured in Grappling Magazine multiple times and has been featured in the local news as well.