The Bug Boy 1
If you can catch Timmy a Royal Grasshopper, he'll tell you a fun factoid about bugs! Good luck!
Goal
Royal Grasshopper × 1Reward
Castele Apple × 10Chain
Leads to 
The Bug Boy 2
Dialogue
TimmyHey,
TimmyReally?! You'll really bring me a Royal Grasshopper?
You know they're pretty hard to catch, right?
Timmy*tch* ...Don't waste my time,
TimmyOoh! A Royal Grasshopper! Gimme!
[Choice: Hand over / Keep for now]
TimmyYay! Thanks!
OK, time for Timmy's Bug Lesson!
Caterpillars grow into...butterflies! Cool, huh?
Actually...butterflies kinda look like caterpillars, only
with wings!
TimmyWell, let me see it at least? Ooh! Can I touch it?
I wanna touch iiiit!
TimmyI love caterpillars too!
...
I want a really big one! The kind you find in the
Grassy Plains!