1. Kevin Jonas: Kevin's signature usually begins with a large, loopy 'K' extending into a flourish. The following letters, "evin Jonas," are written in cursive, with the 'J' and 'o' sometimes connected.
2. Joe Jonas: Joe's signature often starts with a large, blocky 'J' with a sharp angle at the bottom. The remaining letters, "oe Jonas," are written in flowing lowercase, with elongated lines connecting some letters.
3. Nick Jonas: Nick's signature typically begins with a stylized 'N' formed by two interconnected loops. The "ick Jonas" part is typically written in cursive with consistent spacing between letters.