B gets my vote. The simpler outline feels more versatile, especially across the stationery and smaller brand applications.

B for me. A is a great mascot, but B actually behaves like a brand, it stretches across a whole system without breaking a sweat. The rhino stays recognisable even when it goes minimal, which is the real test.

B for me. A is a striking standalone mark, but B gives you so much more to work with across a whole system. The geometric construction on the icon holds up really well even when it goes smaller.