In Get in the Van, Nickel refuses to join W.O.A.H Bunch because Coiny is on that team. Coiny defends Nickel's statement by saying that when they're close together, bad things happen. Regardless, Pin succeed in pressuring Nickel to join her team, and pushes Nickel towards Coiny. The screens started to distort.
In The Long-lost Yoyle City, while Coiny and Nickel was unconscious, Pin and Needle put them next to each other. The screens start to morph, and a hole appeared on Coiny. It exploded, and money started raining.
- Main article: Nickel and Gelatin
Their first interactions was in Zeeky Boogy Doog, when Nickel asked Gelatin if he had any anti-poison.
Later, Gelatin recovered Nickel with the HPRC.
Status: Good Friends
In It's a Monster, Match rejects Nickel from break-time cause he is not a member of the FreeSmart. Like Match said, only FreeSmarts can have break-time.
In No More Snow!, Nickel asked Spongy to impale himself on the spikes so the team could land safely. He refused, but Nickel pushed him down regardless.
Status: Minor Enemies
In No More Snow!, when Nickel said that there's no more snow, Yellow Face happily exclaimed "Yayy".
In Zeeky Boogy Doog, Nickel recovered Yellow Face.
Status: Minor Friends