Justin McGrath, better known as Plup, is an American professional Super Smash Bros. player from Orlando, Florida.

McGrath was initially the best Samus player in the world but later switched to primarily playing Sheik.

[5] A 2021 list compiled by PGstats ranked McGrath as the tenth-greatest Melee player of all time.

After finishing in the top 10 at Shine 2016 and Summit 3, he was ranked as the sixth-best placer of the season.

In 2017, McGrath won his first major at DreamHack Atlanta 2017 after defeating Hungrybox in the finals and placed second at Big House 7.