Abunch of art again like alot

Art from school

What do you personally think of the new raichu mega evolutions?

Doodles °¬°

Eevee(little weird I know)

Digital sketches from when I was bored

Art from school

Billy Mays tribute(I tried my best)

Niko oneshot moe artstyle attempt

I tried to draw some pictures from my camera(I'm gonna add more references but gamejolt mobile is lagging)

What are some ways I can improve really?