Lapin, a french illustrator working in Barcelona, doing really cool work in sketchbook where ever he travels. Like these, from retromobile

http://les-calepins-de-lapin.blogspot.com/2017/02/
http://www.lesillustrationsdelapin.com/

http://les-calepins-de-lapin.blogspot.com/2018/11/dinosaurs-vintage-cars-and-cool-planes.html