24 or Twenty-Four is a Numberblock made of 24 blocks.
Arifmetix's design of Twenty-Four is 2 shades of green (12x2) with pentagon eyes on the sides of his head and 8 clocks on his body (8x3). He has mint-green lips and limbs.
TSRITW's design is an adventurer. He once got eaten by Big Tum, but then he escaped.
PBS66Wikia's design is green with an orange border, square eyebrows, and he is 4x6.
Stikbot1992's design is green, white and orange, whose green blocks are in a square and has clock designs on them, and he has the power to time travel, and is known as a time lord.
AHT's design is white, orange and green. He has two orange ten blocks (not seen in the photo), with a square four block in the middle, like 12. He is 12's brother.
Imnotreal2007's design looks like 12 but 20 orange outlined blocks and 4 green blocks on the inside. their face kind of looks like 12 to, because 24 is 12's sister
Jamil's design of 24 has 20 apricot colored blocks and 4 more green blocks. His hand has a array display which means he is a super rectangle. His head has 2 clocks.