Surfing Grandma T-Shirt Design - Line art style

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This customer received 68 t-shirt designs from 30 designers. They chose this t-shirt design from Suprakash 3 as the winning design.
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T-shirt Design Brief
Hi there, I am starting an apparel brand the focuses on different family members doing "Radical" sports.
I would like to start with a single project to see your style and if I like it, I will have many more designs for you to make.
The brand is Rad Fam Gear (Radical Family Apparel). We have sub-brands that include Rad Grandma, Rad Grandpa, Rad Dog, etc. Our brand is simple, relaxed, and and slightly quirky/comical. We focus on minimalist line art and don't envision any shading- our vision is vector focused. We may be open to other design types, so please add your twist to this art.
For this project, I would like to have you make a Rad Grandma on a surfboard surfing a wave. The grandma clearly look like a grandma (maybe add a prop like a cane or a walker), and should be slightly comical, but something that a grandmother would like to wear on a t-shirt.
We don't imagine this to be very cartoon-like when considering the expression of the characters.
The characters should be friendly and/or quirky/comical. The design should surprise viewers and ultimately get them talking, laughing, or commenting on the design.
If this goes well, we will likely need more similar designs on brand.
Target Market(s)
Grandparents, people who buy gifts for grandparents.
Look and feel
Each slider illustrates characteristics of the customer's brand and the style your logo design should communicate.