Steve "Frogman" Kelsey, one of the area's most enduring and popular radio hosts, died Sunday at age 56.
According to the station's website, Kelsey was the host of "The Froggy Family Breakfast Club" morning show alongside Kellie Green and had been with Froggy 98 since its inception in 1991.
But he had worked at Froggy's predecessor, WFBG Radio, since the mid-1970s.
Froggy 98 will host a tribute show for Kelsey this morning, beginning at 6 a.m.
Donna Himes, operation manager at Forever Broadcasting and program director for Froggy 98, said in a statement that Kelsey is "irreplaceable," as he influenced people through both radio hosting and outside gigs as a DJ.
Kelsey suffered a stroke on Friday.
"He not only was our beloved morning announcer. He was part of weddings and teen dances spanning several generations, and loved community service and visiting the 'tadpoles' in schools," Himes said. "Our hearts are broken."
Kelsey, whose real name was Rob Terdiman, "continues to give back generously to his community" through organ donation, his family said in a statement.
Kelsey's show ran from 6 a.m. to 10 a.m. on weekday mornings and featured trivia, NASCAR updates and the recognition of local birthdays and anniversaries, according to Froggy 98's website.
He would also visit first-, second- and third-grade children to have them recite the Pledge of Allegiance on-air at about 7 a.m. each morning.
The "Frogman" also connected with listeners through blog posts on the station's website.
Charlie Weston, another radio host at Forever, said Kelsey was the DJ for his daughter's wedding.
Weston, who co-hosts "Charlie and Steve in the Morning" on BIG1290, said he didn't think there was anyone who worked with Kelsey that didn't like him.
"He's a good guy," Weston said. "He really cared about his work with Froggy."
Himes said Kelsey's influence could be felt beyond just Altoona and the surrounding region.
"He was so important to so many, not just in Blair County, but the entire Froggy 98 listening area," she said.
Kelsey's family said it wishes to thank everyone for their love and support.
As of Sunday night, funeral arrangements were incomplete.