1. "Happy birthday to my official ‘I did it first’ rival! You were the first to break a vase, the first to learn to drive, and now the first to get *this* old. Enjoy the crown (and maybe a nap—you look tired)."
2. "Big bro, happy birthday! Remember when you swore you’d never ‘act old’? Spoiler: Complaining about your back every time you bend over? That’s old. Enjoy the day anyway!"
3. "Happy bday! Thanks for being the reason I learned to hide my snacks and lie about who broke the TV. You’re a terrible influence… but I’d be lost without you (don’t tell Mom)."
4. "To my big brother: Happy birthday! I hope your day is as cool as you thought you were in high school—and way less cringey. (P.S. I still have that photo of you with the spiky hair.)"
5. "Happy birthday! You’re not just my brother—you’re my personal Google for ‘how to fix a bike’ and my designated ‘blame guy’ when I mess up. Thanks for the service… and sorry about all the blame."
6. "Big bro, happy bday! Remember when you tried to teach me to skateboard and I face-planted? Yeah, I still hold that against you. But I’ll let it slide today… if you buy me cake."
7. "Happy birthday to the only person who can tease me about my childhood mistakes *and* defend me if anyone else does. You’re a walking contradiction—and I love you for it."
8. "To my brother: Happy birthday! I hope your gifts are better than the time you gave me a rock ‘because it looked cool.’ Spoiler: It wasn’t cool. Step up your game this year!"
9. "Happy birthday! You’re getting older, which means two things: 1) You can’t outrun me anymore, and 2) I get to call you ‘old man’ legally. Enjoy the privileges of aging!"
10. "Big bro, happy bday! Thanks for being my first test subject for pranks. Remember the time I put salt in your soda? Yeah, that was me. You’re welcome (and sorry… kind of)."
11. "Happy birthday! I hope your day is filled with everything you love—except the chores Mom still makes you do. You’re an adult now, right? Tell her I said so."
12. "To my brother: Happy birthday! You were the one who taught me to sneak out of the house… and then ratted me out when we got caught. Classic move. Love you (no hard feelings… mostly)."
13. "Happy bday! You’re not just a big brother—you’re my ‘I forgot my wallet’ backup, my ‘help me move furniture’ guy, and my go-to for bad dad jokes. Thanks for being my do-it-all (even if the jokes suck)."
14. "Big bro, happy birthday! Remember when you said you’d always be the ‘cool one’? Now you’re the one who falls asleep at 9 PM. Coolness level: dropping fast. Enjoy your nap!"
15. "Happy birthday! I hope your cake is as sweet as the time you lied to Mom and said *you* ate my homework. You’re a saint (a lying saint, but still)."
16. "To my big brother: Happy bday! You’re the reason I know how to argue (and win) and how to hide my favorite toys. Thanks for the life skills… and the trauma."
17. "Happy birthday! You’re getting older, but don’t worry—you’re still the same guy who once tried to microwave a sock. Some things never change (thank goodness)."
18. "Big bro, happy bday! Thanks for letting me borrow your clothes when I was a kid… even though you yelled at me for stretching them. You’re a great brother (and a tiny bit dramatic)."
19. "Happy birthday! I hope your day is better than the time we got lost on that hike and you blamed me for ‘not reading the map right.’ Spoiler: You were holding the map upside down. Love you!"
20. "To my brother: Happy birthday! You’re the only person who can make me laugh until I cry… and then make me mad 2 seconds later. Happy bday to my favorite pain in the neck!"