Jakob Armstrong (born September 12, 1998) is a singer-songwriter, the guitarist and lead vocalist of Mt. Eddy, the guitarist of Waterloo Teeth and the former touring bassist of SWMRS.
- Working Title (2015)
- Watch the News (2016)
- Luv U (2016)
He is the son of Billie Joe Armstrong and Adrienne Armstrong. Jakob is the younger brother of Joey Armstrong.