Boris (Heinz Doofenshmirtz's Bully)

Boris is one of Heinz Doofenshmirtz’s merciless childhood foes who kicked him with sand. He appeared in the episode “The Flying Fishmonger” in Phineas And Ferb

After the series ended
After a threat occurred in Danville. Grulinda along with Boris are hired by Viacom and joined forces with Heinz Doofenshmirtz’s anti-parents and Roger Doofenshmirtz and formed the Anti-Heinz Doofenshmirtz Squad. They planned to capture and destroy Heinz Doofenshmirtz with a Un-Exist-Inator until Heinz Doofenshmirtz attacked him with sand and killed him by zapping him with the Un-Exist-Inator