„Leo: Rainbows. Very macho.Annabeth: Butch is our best equestrian, he gets along great with the pegasi.Leo: Rainbows, ponies…Butch: I’m gonna toss you off this chariot.“

— Rick Riordan
„No, no,” Leo said. “Rainbows. Very macho.“
— Rick Riordan
„Your mom is a rainbow goddess?""You got a problem with that?""No, no. Rainbows. Very macho.“
— Rick Riordan
„In my world, everyone's a pony and they all eat rainbows and poop butterflies!“
— Dr. Seuss
„Like your zodiac sign? Percy asked. 'I'm a Leo.'No, stupid,' Leo said. I'm a Leo. You're a Percy.“
— Rick Riordan
„I'm the Super-sized McShizzle, man!" Leo said. "I'm Leo Valdez, bad boy supreme. And the ladiesa bad boy.“
— Rick Riordan
„Actually,” he said, “you’re not far off. Uncle Leo brought some toys for all you good little demigods.“
— Rick Riordan
„Frank didn’t drop you on purpose,” she said. “He’s not like that. He’s just a little clumsy sometimes.”“Oops,” Leo said, in his best Frank Zhang voice. “Dropped Leo into a squad of enemy soldiers. Dang it!“
— Rick Riordan
„The real butches are straight … dealing with and controlling men makes you stronger.“
— Camille Paglia
„Frank gave Leo a confused smile- like he couldn't decide whether to gloat or to thank Leo for being a doofus- but he cheerfully let Hazel drag him along.“
— Rick Riordan
„Leo: “I can’t believe I thought you were hot.”Khione’s face turned red. “Hot? You dare insult me? I am cold, Leo Valdez. Very, very cold.“
— Rick Riordan
„Leo,” Hazel gasped, “I can’t—my arms—”“Hazel,” he said. “Do you trust me?”“No!”“Me neither,” Leo admitted.“
— Rick Riordan
„Correct." Kekrops sounded bitter, like he regretted his decision. "My people were the original Athenians--the gemini.""Like your zodiac sign?" Percy asked. "I'm a Leo.""No, stupid," Leo said. "I'm a Leo. You're a Percy.“
— Rick Riordan
„Leo had wanted to paint a giant message on the bottom of the hull-WASSUP? with a smiley-face-but Annabeth had vetoed the idea.“
— Rick Riordan
„This is Leo. I'm the… What's my title? Am I like, admiral, or captain, or…""Repair boy.""Very funny, Piper.“
— Rick Riordan