-DANDY -A Toon who performs experiments. -His research pet is Pebble. -Dazzle's assistant. -A psychopath. -Male. -He has no emotions; the only allowed emotions are joy and happiness. -That joy and happiness only surface during experiments. -Should I say... he's incredibly handsome?

-COSMO -A Toon who is experimented on. -He is close to Sprout and they are often together. -Male. -Incredibly handsome. -He is a pastry. -He often makes cookies with Sprout. -Timid. -Nickname: Como.

-VEE -A Toon who is experimented on. -Female. -She's gorgeous... but a bit prickly. -She has a very bad relationship with Sprout. -Host of Vee's Quiz Show. -Though prickly, she shows a particularly kind side to Shelly.

-SHELLY -A Toon who is experimented on. -Female. -Gorgeous. -Close friends with Vee. -Loves fossils. -She has her own dinosaur museum, and Sprout and Vee visit the most. -Energetic.

-DAZZLE -A Toon who performs experiments. -Dandy's older brother? -His assistant is Dandy. -A sociopath. -Male. -Handsome..?

-ASTRO -A Toon who is experimented on. -Male. -Handsome. -Loves sleeping and walks around with his arms hidden in a blanket. -He used to be close to Dandy, but their relationship soured? after Dandy left without a word. -Passive and timid. -Nickname: As.

-BOXTEN -A Toon who is experimented on. -Female. -..Gorgeous? -Reliable type. -Loves Christmas. -Extremely proactive. -Nickname: Box.

-BRIGHTNEY -A Toon who is experimented on. -Female. -Gorgeous. -Extreme IIIIIIIIIIIIIIIIIIIIIIIIIIIII (Introvert). -Has a crush on Astro. -Loves flowers.

-GOOB -A Toon who is experimented on. -Male. -Handsome. -Very playful. -The youngest.

-PEBBLE -Male. -A dog and a research pet. -All he can do is bark "Woof" and "Arf." -He doesn't cause trouble if you give him treats.