Rockwellian [rawk-wehl-ee-uhn]
adjective
1. Related to or sharing stylistic elements/themes of the the 20th Century American illustrator, Norman Rockwell, whose work presented a sentimental view of every day life and a celebration of American values.
EX. The delightful Megaman fanart above displays a Rockwellian scene of two kids sharing an E-tank, while the boy's robotic companion watches.