This is an alternate version to see if it's more readable.
Panel 1, Square: A small fish paddles a green canoe upside down through the air. She says "Hey Ratsuvius" (Text box is upside down.)
Panel 2, Square below and to the right: A rat riding a bicycle looks up at the fish and says "Hey Betty Boops Boops"
Panel 3, Rectangle in line with Panel 1: Betty Boops Boops asks ""How ya doing?"