Basically, we're talking about this 4 particular specimens... Or maybe 5 if I add in Chels...
So without further ado, we shall start with this report :)

1) Squishy
Food: Curry
Specific hyper item: Cats, Piano, Math, Physics
Online mode of hyperness: Cute cat posts (from 9gag), Pusheen, etc.
Warning Label: Severe hyperness will lead to extreme randomness unexpected of a typical (too-much-math-confusing) Physicist.

2)  Chocci
Food: Chocolate, dessert, bubble tea, ice cream, starbucks/coffee beans, sweets
Specific hyper item: Plush toy
Online mode of hyperness: unglam photos, BA NA NA POTATO NA~, idols (unknown), etc.
Warning Label: Do not feed it sugary items.

3) GJH
Food: Non-spicy ones, Gong Cha
Specific hyper item: Cute stuff
Online mode of hyperness: Pusheen, tumblr, awesome sketches/doodles, etc.
Warning Label: Do not poke. It will become very agitated and squeal high pitch.

4) Celineyy
Food: Instant noodles, Beer, Wine, Vodka, Alcoholic, Chicken, Dessert, yummy drinks etc.
Specific hyper items: BANDS, GAYS
Online mode of hyperness: Twitter, Tumblr, Fan fics, MUSIC \m/
Warning Label: Do not put your finger near its mouth. It will bite.

5) Chels
Food: Toblerone, Gummies, SWEETS~
Specific hyper items: Cute children XD, Spongy, BIG BANG!!!, etc.
Online mode of hyperness: N.A.
Warning Label: Don't give excessive chocolates. Keep cute children away.

6) Weird Guys (sesame, bossu, hanhan, etc.)
Food: N.A.
Specific hyper items: Chocci's items
Online mode of hyperness: Mousehunt, etc.
Warning Label: Keep mickey away from them. May laugh for 30 minutes for no apparent reason.