|First Appearance||Guitar Hero Metallica|
|Genre||Thrash Metal, Heavy Metal, Crossover Hardcore|
|Fretboard||Metallica's "shuriken" logo|
Robert Trujillo October 23, 1964 is the bassist for the thrash metal band Metallica as of February 2003 for replacing previous bassist Jason Newsted (currently on Voivod). He is in Guitar Hero: Metallica because the current line-up is of who recorded the Death Magnetic album, and Trujillo played the bass tracks for that album.
In Guitar Hero: Metallica Robet Trujillo has 3 outfits.Metallica Rob: Rob's original outfit. he wears a Meatallica singlet that has Metallica written on it and the
Zombie Rob: Rob wears the same clothes as he does in his original but light blue rotting skin, and his braids are replace with chains.
80s Rob: Rob inn hiw Suicidal Tendacies clothes.
Normal Rob: 50 Bass career stars.
Zombie Rob: 100 Bass career stars.
80s Rob: 150 Bass career stars.
- When unlocking the classic '80s costumes for Metallica, Rob wears his Suicidal Tendencies costume, since he wasn't in Metallica in the '80s.
- Rob only does Bass for 4 of the songs in the game.
- 1 of the 20 hand picked guest acts is War Inside My Head by Suicidal Tendancies which was picked by Rob.