Cosmo Birthday — Dandy's World
Birthday = release date (first appearance). Verified from the official wiki's infobox release_date field — no guesses.
birthday is August 14, 2024 — same day as his best friend Sprout. Zodiac: Leo. Age: 2 (as of 2026) Full name: N/A.
The budget healer (A-tier Supporter): gives one of his own Hearts to heal a teammate (60s CD, can't use at 1 Heart). The cheapest unlock in the game (1,000 Ichor + 4 Toons), making him the perfect first healer.