Answer:
I recommend looking up art challenges, you could do ones that make you draw random shapes and make characters out of that, you could combine characters, etc. If you want to draw a character that already exists then here's a few recommendations:
Anime:
Kirishima (Mha)
Norman (Tpn)
Erza (Fairtail)
Tanjiro (Demon Slayer)
Cartoon:
Spongebob
Beep Beep (Road runner)
Tweety bird
Tom & Jerry
Step-by-step explanation: