ICE-E is an ice cube that is slightly "sweating." He has wide eyes, black eyebrows, and a snout similar to a canine's. He is depicted as having a wide grin with visible teeth. As the restaurant icon, ICE-E wears a chef's hat.
If Kris tells Noelle that Susie "Eats Chalk" when she is at her house's gate, she assumes Kris is joking. Noelle mentions that when they were children, Kris had claimed that "ICE-E was real and eats kids..."
In Hometown's Alley, there is graffiti depicting ICE-E and unknown text in a similar color beside it.
In Cyber Field, there is an optional "GIASFELFEBREHBER" word puzzle for Hacker's blue checkmark challenge. If Kris interacts with Ralsei, Susie comments that it is ICE-E's catchphrase. Upon completing the puzzle, ICE-E appears on the monitor and winks, but glitches upon doing so.
Noelle's room in Queen's Mansion has an "ICE-E statue" that is a cross between "something else." It appeared due to Noelle searching "is ice e real cryptid." If Kris inspects it, Susie states they should steal it for their room. Kris complies and takes it without a prompt.
When Susie suggests some movies, she jokes that Kris would appreciate "ICE-E The Movie."
- Text about ICE-E in Deltarune often has minor errors in spelling, capitalization, and grammar.
- ICE-E is depicted across various commercial products:
- There is a nearly-full container of "Ice-E's Cool Boys Body Spray "Spray for the Boys," Flamin' Hot Pizza Flavor" in a cabinet in Toriel's House.
- In QC's Diner, Ice Wolf wears an ICE-E shirt and likes "ice-themed mascots."
- In the Hospital, there is a pain chart in The Warrior/Shyren's room that displays pain levels using pictures of ICE-E.
- The Teen Zone in the Library features a "crude drawing of an ice-cube wearing a headband."
- In 'Sans (Grocery Store), there is a magazine in the magazine rack.
- If Kris interacts with Susie while at the "GIASFELFEBREHBER" puzzle, she comments it would be funny if there was a missing letter. This comment along with the puzzle itself alludes to the Monster Kidz Word Search from Undertale.
- In the Undertale anniversary stream ICE-E's base is described as "feeling like a nightmare world where everything is a bit off."
- ICE-E is one of a few characters to have been seen or depicted in both the Light World and the Dark World, and appears in Undertale. This is trait is shared with Everyman and Annoying Dog.
- Ralsei: Uhh, perhaps this isn't a real word, Kris...
Susie: Yeah it is. It's ICE-E's catchphrase. - Chapter 2.
- Heh, maybe ICE-E The Movie's more your speed, huh, Kris? - Susie, Chapter 2.
- (It's a classic 1-to-10 pain scale, using ICE-E as a model.) (At 0 pain, he's happy.) (At 10 pain, he's happy and sweating.) - Narration
- Ice-E's Pizza Pin-Ups Mangazine. HOt and fresh chease, pepperonie, Just like in your Dream's... - Narration, Chapter 2.
- Hot Piza Picks! Now with 3 Pixels Or MOre, In Hot and Spicy REsolution! - Second narration for the magazine, Chapter 2.