Istanbul-based Turkish artist Samet Türkan is showcasing his talent on Instagram and in a short period of a few months of posting regularly, he already has accumulated 47.5k fans. He has found a niche in sketching something everybody loves—pop culture characters, and cartoon characters are his specialty. He shows his pencil sketches and reference pictures in the same frame, so you can compare how detailed these characters from Ice Age, Toy Story, Shrek, our favorite superhero movies, and…