The plant on the left looks like a type of holly.
The plant on the right looks like it may be Mahonia bealei, Leatherleaf Mahonia, a native of China. It has been planted as an ornamental and is invading woodlands in the southeastern and Mid-Atlantic states. This plant is invasive. If you confirm, then you should target for removal.
See our Invasive Plant List http://extension.umd.edu/sites/default/files/_images/programs/hgic/Invasives/Plants/UME%20Invasive%2... and Plant Invaders of Mid Atlantic Natural Areas page 136. https://www.nps.gov/plants/alien/pubs/midatlantic/midatlantic.pdf