Maxwell can make many friends during his adventure, collecting their Friendship Cards to prove it.

• Professor
• Clunkee
• Jeeko
• Teeko
• Squirm
• Precise
• Paddy
• Wolfin
• Mordecai
• Bones
• Aelia
• Girl
• Crox
• Apo
• Juicy
• Roland
• Plestro
• Tommy
• Chopo
• Whippy
• Tutu
• Starbi
• Blue Yamo
• Stalk 'n' Stem
• Wilbo
• Chip
• Flayne
• Witch
• Rachael+Deb
• Surban
• Karl
• Dong
• Dubelle
• Ding
• Totummy Citizens
• Bingo
• Gramma
• Jenovi
• Zookeeper
• Xex
• Spatchi
• Klik
• Bomsae
• Harpon
• Cropett
• Sbooch
• Gee
• Draw
• Landlord
• Johan
• Banban + Tootie
• Sage
• Zaggy
• Bug Hero
• Kitpan
• Nuyu
• Perchi
• Plug
• Annaconda, Mowman & Sawyer (Bounty Hunters)
• Petrias
• Cherub Gal
• Cherub Guy
• Alby
• Azure
• Mamacuda
• Planck
• Bollybrain