All 3 of them are terrible! The handwritten one is really bad, I'd actually prefer Comic Sans. The fixed width font looks very inhomogeneous. The sans-serif is

All 3 of them are terrible! The handwritten one is really bad, I'd actually prefer Comic Sans. The fixed width font looks very inhomogeneous. The sans-serif is okay, but the serious "a"s clash with the playful style of the drawings.