Indian food content has arguably seen the most diversification.
Use circles for friendly characters, squares for sturdy ones, and triangles for villains.
Style is born through repetition. You won't find your "look" in a single drawing; it emerges over hundreds of sketches. Consistency beats intensity every time.
Try using only one brush or a restricted color palette to force creativity.
Now, let's narrow down your influences and preferences:
Every unique style is actually a blend of diverse influences. To find your own, you must first look at what moves you. Create a "mood board" of your favorite artists.
By rejecting mainstream techniques, you are forced to invent alternative solutions. That invention is your voice. For instance, if you reject realistic rendering, you might invent a cross-hatching system that becomes your unique identifier.
By head 80, you will have drawn something ugly, strange, and entirely original. By head 100, you will have refined that ugly-strange thing into a compelling signature feature. This iterative process is free, requires no software, and is the exact method used by concept artists at studios like Blizzard or Riot Games.