Ignacio Rivas

 is a Followers of the Apocalypse scientist living in the Mojave Wasteland in 2281. He tends to the management of HELIOS One alongside the NCR.

Appearances
appears in Fallout: New Vegas.

Glitches
If you overload the power plant so no one will be able to use the plant to power a (the) weapon you will get the following dialog option "I overloaded the plant. No one will be able to use it to power a weapon." which will never go away and give you the following: 3 stimpaks, 2 doctors bags and 455 XP.