For logo I have no idea anything thats not like comic sans or typical 8bit crap.
For shirt design, something EPIC AND AWESOME, like a T-Rex doing a handplant and it says SIEVERT on his skateboard (thats actually a pretty good one somebody make that happen) or like a Velociraptor jumping out of an exploding helicopter. Bonus points if there are lazers and/or dinosaurs involved.
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